key


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key 1

 (kē)
n. pl. keys
1.
a. A notched and grooved, usually metal implement that is turned to open or close a lock.
b. A similar implement or an electronic device used for opening, winding, or starting something: the key of a wind-up alarm clock; the new car's electronic key.
c. A device, such as a wedge or pin, inserted to lock together mechanical or structural parts.
d. A keycard.
2. A determining factor in accomplishing or achieving something: One key to the store's success has been consistent customer service.
3.
a. Something that provides access to or understanding of something else: The key to the mystery was a drug store receipt.
b. A set of answers to a test.
c. A table, gloss, or cipher containing correspondences, as for decoding or interpreting something.
d. Computers A number used by a cryptographic algorithm to encrypt or decrypt data.
4. Architecture The keystone in the crown of an arch.
5.
a. A button or lever that is depressed to operate a machine.
b. A button that is depressed to cause a corresponding character or function to be typed or executed by a typewriter or to be accepted as input by a computer.
c. Music A button or lever that is depressed with the finger to produce or modulate the sound of an instrument, such as a clarinet or piano.
6. Music
a. A tonal system consisting of seven tones in fixed relationship to a tonic, having a characteristic key signature and being the structural foundation of the bulk of Western music; tonality.
b. The principal tonality of a work: an etude in the key of E.
7. The pitch of a voice or other sound.
8. A characteristic tone or level of intensity, as of a speech or sales campaign. Often used in combination: high-key; low-key.
9. Botany A samara.
10. An outline of the distinguishing characteristics of a group of organisms, used as a guide in taxonomic identification.
11. Basketball An area at each end of the court between the baseline and the foul line and including the jump-ball circle at the foul line: a jump shot from the top of the key.
12. The act of replacing portions of a video or photograph containing a preselected color with material from a separate image, as by chroma key.
adj.
Of crucial importance; significant: key decisions; the key element of the thesis.
v. keyed, key·ing, keys
v.tr.
1. To lock with a key.
2. To be the determining or crucial factor in: a double that keyed a three-run rally in the fifth inning.
3. Architecture To furnish (an arch) with a keystone.
4. Music To regulate the pitch of.
5. To bring into harmony; adjust or adapt: "achievement tests that are more clearly keyed to what students are held responsible for in high school" (New York Times).
6. To cause to pay attention to: school officials who were keyed into the dietary needs of students.
7. To supply with a key of correspondences or with corresponding references: keyed the pages in the edited book to illustrations in the manuscript.
8.
a. To operate (a device), as for typesetting, by means of a keyboard.
b. To enter (data) into a computer by means of a keyboard.
9. To identify (a biological specimen).
10. To vandalize or mar by scratching with a key: Vandals keyed the cars left in the parking garage.
11. To produce, replace, or include by chroma key.
v.intr.
1. To pay close attention; focus: improved service by keying on customer complaints; keyed into the main points of the lecture.
2. Sports To watch or cover an opposing player closely in an effort to limit the player's effectiveness. Used with on: "[She] still carries the burden of scoring ... even though opponents key on her throughout every game" (Josh Barr).
3. To replace portions of a video or photograph containing a preselected color with material from a separate image, as by chroma key.
Phrasal Verb:
key up
To make intense, excited, or nervous: The actors were keyed up before the opening.
Idioms:
in key
In consonance with other factors.
out of key
Not in consonance with other factors.

[Middle English kai, kei, from Old English cǣg.]

key 2

 (kē)
n. pl. keys
A low offshore island or reef, especially in the Gulf of Mexico; a cay.

[Alteration (influenced by key, variant of quay) of Spanish cayo; see cay.]

key 3

 (kē)
n. pl. keys Slang
A kilogram of marijuana, cocaine, or heroin.

[Shortening and alteration of kilogram.]

key

(kiː)
n
1. (Mechanical Engineering) a metal instrument, usually of a specifically contoured shape, that is made to fit a lock and, when rotated, operates the lock's mechanism
2. (Mechanical Engineering) any instrument that is rotated to operate a valve, clock winding mechanism, etc
3. (Mechanical Engineering) a small metal peg or wedge inserted into keyways
4. (Mechanical Engineering) any of a set of levers operating a typewriter, computer, etc
5. (Instruments) any of the visible parts of the lever mechanism of a musical keyboard instrument that when depressed set in motion the action that causes the instrument to sound
6. (Classical Music)
a. Also called: tonality any of the 24 major and minor diatonic scales considered as a corpus of notes upon which a piece of music draws for its tonal framework
b. the main tonal centre in an extended composition: a symphony in the key of F major.
c. the tonic of a major or minor scale
d. See tuning key
7. something that is crucial in providing an explanation or interpretation: the key to adult behaviour lies in childhood.
8. a means of achieving a desired end: the key to happiness.
9. a means of access or control: Gibraltar is the key to the Mediterranean.
10. a list of explanations of symbols, codes, etc
11. a text that explains or gives information about a work of literature, art, or music
12. Also called: key move the correct initial move in the solution of a set problem
13. (Biology) biology a systematic list of taxonomic characteristics, used to identify animals or plants
14. (Photography) photog painting the dominant tonal value and colour intensity of a picture. See also low-key3, high-key
15. (Electrical Engineering) electrical engineering
a. a hand-operated device for opening or closing a circuit or for switching circuits
b. a hand-operated switch that is pressed to transmit coded signals, esp Morse code
16. (Building) the grooving or scratching of a surface or the application of a rough coat of plaster, etc, to provide a bond for a subsequent finish
17. pitch: he spoke in a low key.
18. a characteristic mood or style: a poem in a melancholic key.
19. level of intensity: she worked herself up to a high key.
20. (Railways) railways a wooden wedge placed between a rail and a chair to keep the rail firmly in place
21. (Building) a wedge for tightening a joint or for splitting stone or timber
22. (Building) short for keystone1
23. (Botany) botany any dry winged fruit, esp that of the ash
24. (Photography) (modifier) photog determining the tonal value of a photograph: flesh colour is an important key tone.
adj
of great importance; crucial: a key issue.
vb (mainly tr)
25. (foll by to) to harmonize (with): to key one's actions to the prevailing mood.
26. to adjust or fasten with a key or some similar device
27. to provide with a key or keys
28. (Law) to scratch the paintwork of (a car) with a key
29. (Printing, Lithography & Bookbinding) (often foll by up) to locate the position of (a piece of copy, artwork, etc) on a layout by the use of symbols
30. (Computer Science) (also intr) another word for keyboard3
31. to include a distinguishing device in (an advertisement, etc), so that responses to it can be identified
32. (Building) to provide a keystone for (an arch)
[Old English cǣg; related to Old Frisian kēi, Middle Low German keie spear]
ˈkeyless adj

key

(kiː)
n
(Physical Geography) a variant spelling of cay

Key

(kiː)
n
(Biography) John (Phillip). born 1961, New Zealand politician; prime minister from 2008

key1

(ki)

n., pl. keys,
adj., v. n.
1. a small metal instrument specially cut to fit into a lock and move its bolt.
2. any of various devices functioning as a key: the key of a clock.
3. something that affords a means to achive, master, or understand something else: the key to happiness; the key to training a dog.
4. something that controls entrance to a place: Gibraltar is the key to the Mediterranean.
5. a book or other text containing the solutions or translations of material given elsewhere, as testing exercises.
6. a systematic explanation of abbreviations, symbols, and the like used in a dictionary, map, etc.: pronunciation key. Compare legend (def. 4).
7. the system, method, pattern, etc., used to decode or decipher a cryptogram.
8. one of the buttons on the keyboard of a typewriter, computer, or the like that are pressed to operate the device.
9.
a. (in a keyboard instrument) one of the levers that when depressed by the performer sets in motion the playing mechanism.
b. (on a woodwind instrument) a metal lever that opens and closes a vent.
c. the relationship perceived between all tones in a given unit of music and a single tone or a keynote; tonality.
d. the principal tonality of a composition.
10. tone or pitch, as of voice: to speak in a high key.
11. mood or characteristic style.
12. degree of intensity, as of feeling or action.
13. a pin, bolt, wedge, or other piece inserted in a space to lock or hold parts of a mechanism or structure together.
14. a contrivance for grasping and turning a bolt, nut, etc.
15. a group of characters that identifies a record in a database or other computer file.
16.
a. a device for opening and closing electrical contacts, as a lever used to produce signals in telegraphy.
b. a hand-operated switching device capable of switching one or more parts of a circuit.
17. Biol. a systematic tabular classification of the significant characteristics of the members of a group of organisms to facilitate identification and comparison.
18. Archit. a keystone or boss.
19. a wedge, as for tightening a joint or splitting a stone or timber.
21. the dominant tonal value of a photograph, high key being light tonal value with minimal contrast and low key being generally dark with minimal contrast.
22. Bot. a samara.
adj.
23. chief; major: a key industry; The decision will be key.
v.t.
24. to regulate or adjust (actions, thoughts, speech, etc.) to a particular state or activity; bring into conformity.
25. to provide with a key.
26. to mark or set (a text, layout, diagram, etc.) with symbols, letters, etc., as to show where certain matter should be inserted or to indicate where more detailed information can be found.
27. to lock with a key.
28. to provide (an arch or vault) with a keystone.
29. to keyboard (data) into a computer (sometimes fol. by in).
v.i.
30. to use a key.
31. to keyboard.
32. key (in) on, to single out as important.
33. key up, to increase tension in; stimulate.
[before 900; Middle English key(e), kay(e), Old English cǣg, cǣge; c. Old Frisian kei, kai]
key′less, adj.

key2

(ki)

n., pl. keys.
a reef or low island; cay.
[1690–1700; < Sp cayo, probably < Arawak]

key3

(ki)

n., pl. keys. Slang.
a kilogram of marijuana or a narcotic drug.
[1965–70, Amer.; shortening and resp. of kilogram]

Key

(ki)

n.
Francis Scott, 1780–1843, U.S. lawyer: author of The Star-Spangled Banner.

key

In cartography, a term sometimes loosely used as a synonym for "legend." See also blue key; drawing key; legend.

key


Past participle: keyed
Gerund: keying

Imperative
key
key
Present
I key
you key
he/she/it keys
we key
you key
they key
Preterite
I keyed
you keyed
he/she/it keyed
we keyed
you keyed
they keyed
Present Continuous
I am keying
you are keying
he/she/it is keying
we are keying
you are keying
they are keying
Present Perfect
I have keyed
you have keyed
he/she/it has keyed
we have keyed
you have keyed
they have keyed
Past Continuous
I was keying
you were keying
he/she/it was keying
we were keying
you were keying
they were keying
Past Perfect
I had keyed
you had keyed
he/she/it had keyed
we had keyed
you had keyed
they had keyed
Future
I will key
you will key
he/she/it will key
we will key
you will key
they will key
Future Perfect
I will have keyed
you will have keyed
he/she/it will have keyed
we will have keyed
you will have keyed
they will have keyed
Future Continuous
I will be keying
you will be keying
he/she/it will be keying
we will be keying
you will be keying
they will be keying
Present Perfect Continuous
I have been keying
you have been keying
he/she/it has been keying
we have been keying
you have been keying
they have been keying
Future Perfect Continuous
I will have been keying
you will have been keying
he/she/it will have been keying
we will have been keying
you will have been keying
they will have been keying
Past Perfect Continuous
I had been keying
you had been keying
he/she/it had been keying
we had been keying
you had been keying
they had been keying
Conditional
I would key
you would key
he/she/it would key
we would key
you would key
they would key
Past Conditional
I would have keyed
you would have keyed
he/she/it would have keyed
we would have keyed
you would have keyed
they would have keyed
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.key - metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotatedkey - metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
bit - the part of a key that enters a lock and lifts the tumblers
device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
ignition key - a key that operates the ignition switch of an automotive engine
latchkey - key for raising or drawing back a latch or opening an outside door
master key, passe-partout, passkey, master - key that secures entrance everywhere
shank, stem - cylinder forming a long narrow part of something
2.key - something crucial for explaining; "the key to development is economic integration"
explanation - thought that makes something comprehensible
3.key - pitch of the voice; "he spoke in a low key"
pitch - the property of sound that varies with variation in the frequency of vibration
4.key - any of 24 major or minor diatonic scales that provide the tonal framework for a piece of musickey - any of 24 major or minor diatonic scales that provide the tonal framework for a piece of music
musical notation - (music) notation used by musicians
major key, major mode - a key whose harmony is based on the major scale
minor key, minor mode - a key based on the minor scale
home key, tonic key - the basic key in which a piece of music is written
5.key - a kilogram of a narcotic drug; "they were carrying two keys of heroin"
jargon, lingo, patois, argot, vernacular, slang, cant - a characteristic language of a particular group (as among thieves); "they don't speak our lingo"
kg, kilo, kilogram - one thousand grams; the basic unit of mass adopted under the Systeme International d'Unites; "a kilogram is approximately 2.2 pounds"
6.key - a winged often one-seed indehiscent fruit as of the ash or elm or maplekey - a winged often one-seed indehiscent fruit as of the ash or elm or maple
achene - small dry indehiscent fruit with the seed distinct from the fruit wall
7.key - United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812Key - United States lawyer and poet who wrote a poem after witnessing the British attack on Baltimore during the War of 1812; the poem was later set to music and entitled `The Star-Spangled Banner' (1779-1843)
8.key - a coral reef off the southern coast of Floridakey - a coral reef off the southern coast of Florida
Everglade State, FL, Florida, Sunshine State - a state in southeastern United States between the Atlantic and the Gulf of Mexico; one of the Confederate states during the American Civil War
coral reef - a reef consisting of coral consolidated into limestone
9.key - (basketball) a space (including the foul line) in front of the basket at each end of a basketball court; usually painted a different color from the rest of the court; "he hit a jump shot from the top of the key"; "he dominates play in the paint"
basketball, basketball game, hoops - a game played on a court by two opposing teams of 5 players; points are scored by throwing the ball through an elevated horizontal hoop
basketball court - the court on which basketball is played
foul line - a line from which basketball players take penalty shots
space - an area reserved for some particular purpose; "the laboratory's floor space"
10.key - a list of answers to a test; "some students had stolen the key to the final exam"
list, listing - a database containing an ordered array of items (names or topics)
11.key - a list of words or phrases that explain symbols or abbreviations
list, listing - a database containing an ordered array of items (names or topics)
key word - a word that is used as a pattern to decode an encrypted message
12.key - a generic term for any device whose possession entitles the holder to a means of access; "a safe-deposit box usually requires two keys to open it"
positive identification - evidence proving that you are who you say you are; evidence establishing that you are among the group of people already known to the system; recognition by the system leads to acceptance; "a system for positive identification can prevent the use of a single identity by several people"
13.key - mechanical device used to wind another device that is driven by a spring (as a clock)
mechanical device - mechanism consisting of a device that works on mechanical principles
watch key - winder consisting of a key with a square hole; used for winding some watches
14.key - the central building block at the top of an arch or vault
arch - (architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
building block - a block of material used in construction work
coign, coigne, quoin - the keystone of an arch
15.key - a lever (as in a keyboard) that actuates a mechanism when depressed
action mechanism, action - the operating part that transmits power to a mechanism; "the piano had a very stiff action"
backspace, backspace key, backspacer - the typewriter key used for back spacing
command key, control key - (computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
keyboard - device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
lever - a rigid bar pivoted about a fulcrum
return key, return - the key on electric typewriters or computer keyboards that causes a carriage return and a line feed
shift key, shift - the key on the typewriter keyboard that shifts from lower-case letters to upper-case letters
space bar - the bar-shaped typewriter key that introduces spaces when used
tab key, tab - the key on a typewriter or a word processor that causes a tabulation
telegraph key - key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed
Verb1.key - identify as in botany or biology, for example
2.key - provide with a key; "We were keyed after the locks were changed in the building"
furnish, provide, supply, render - give something useful or necessary to; "We provided the room with an electrical heater"
3.key - vandalize a car by scratching the sides with a key; "His new Mercedes was keyed last night in the parking lot"
vandalise, vandalize - destroy wantonly, as through acts of vandalism; "vandalize the park"
4.key - regulate the musical pitch of
music - (music) the sounds produced by singers or musical instruments (or reproductions of such sounds)
chord, harmonise, harmonize - bring into consonance, harmony, or accord while making music or singing
5.key - harmonize with or adjust to; "key one's actions to the voters' prevailing attitude"
reconcile, harmonise, harmonize - bring into consonance or accord; "harmonize one's goals with one's abilities"
Adj.1.key - serving as an essential component; "a cardinal rule"; "the central cause of the problem"; "an example that was fundamental to the argument"; "computers are fundamental to modern industrial structure"
important, of import - of great significance or value; "important people"; "the important questions of the day"

key

noun
1. opener, door key, latchkey She reached for her coat and car keys.
2. tone, sound, pitch, timbre, modulation the key of A minor
3. guide, explanation, interpretation, indicator, translation, glossary You will find a key at the start of the book.
4. answer, means, secret, solution, path, formula, passage, clue, cue, pointer, sign The key to success is to be ready from the start.
adjective
1. essential, leading, major, main, important, chief, necessary, basic, vital, crucial, principal, fundamental, decisive, indispensable, pivotal He is expected to be the key witness at the trial.
essential minor, secondary, subsidiary, superficial

key

noun
A means or method of entering into or achieving something desirable:
Informal: ticket.
adjective
1. Most important, influential, or significant:
2. Dominant in importance or influence:
Translations
أهم شَخْص أو شيءمُصْطَلَحات الخريطَهمِفْتاحمِفْتَاحٌمِفتاح آلة الطِّباعَه
klávesaklíčklíčovýtónina
nøgletasttangenttoneartsymbolforklaring
ŝlosilo
avainnäppäinsävellajisyöttääkirjoittaa
ključtipka
kulcsbillentyűhangnem
kunci
lykilllykill aî lausnlykill, hnappurnóta, snertilltáknlykill
キー
열쇠
clavis
klavišasklavišinisklavišinis instrumentaslegendapagrindinė mintis
atrisinājumsatslēgagalvenaiskodstaustiņš
cheie
klávesakľúčový
ključtipkavtipkatilegenda
knappnyckeltangent
กุญแจปุ่ม
tuşanahtaresaskısaltmalar/açıklamalar listesiperde
chìa khoáchìa khóakhoáphím

key

[kiː]
A. N
1. (to door, safe, car etc) → llave f; (= can-opener) → abridor m, abrelatas m inv
2. [of typewriter, piano] → tecla f; [of wind instrument] → llave f, pistón m
3. (to code) → clave f
the key to success (fig) → la clave del éxito
4. (to map, diagram) → explicación f de los signos convencionales
5. (Mus) → clave f
what key is it in?¿en qué clave está?
in the key of Cen clave de do
to change keycambiar de tonalidad
to sing/play off keycantar/tocar desafinado
major/minor keytono m mayor/menor
B. ADJ (= crucial) [issue, job, role, witness] → clave adj inv
he is a key figure in the negotiationses una figura clave en las negociaciones
all the key positions in the company are held by mentodos los puestos clave de la compañía están ocupados por hombres
C. VT (Comput, Typ) (also key in, key up) → teclear
D. CPD key card N (for hotel room) → tarjeta f de acceso
key money Nentrada f
key ring Nllavero m
key in VT + ADV (Comput, Typ) → teclear
key up VT + ADV
1. to be all keyed up (= tense) → estar nervioso; (= excited) → estar entusiasmado
the children were too keyed up to go to bedlos niños estaban demasiado entusiasmados para acostarse
they are all keyed up to make a good impression when she arrivesestán nerviosos porque quieren causarle una buena impresión cuando llegue
2. (Comput, Typ) → teclear

key

[ˈkiː]
n
[door, house, car, bag] → clé f, clef f
the key to success → la clé du succès
the key to sth [+ victory, mystery] → la clé de qch
to hold the key to sth (= be the decisive factor in) [person] → détenir la clé de qch; [thing] → être la clé de qch
the key to doing sth (= decisive factor in) → la clé pour faire qch
(MUSIC)clé f
[piano, keyboard] → touche f
(on map)légende f
adj [issue, factor] → clé, -clé; [role, player] → clé
Confidence, we know, is the key factor in any successful career → La confiance, nous le savons, est le facteur clé dans la réussite de toute carrière., La confiance, nous le savons, est le facteur-clé dans la réussite de toute carrière.
to be key (= crucial) → être l'élément clé
to be key in achieving sth (= crucial) → être l'élément clé dans la réussite de qch
Marketing and public relations are key to getting a product recognized in the market → Le marketing et les relations publiques sont des éléments clés dans la reconnaissance d'un produit sur le marché.
vt [+ word] → taper
key in
vt [+ text] → rentrer, taper

key

n
(fig: = solution) → Schlüssel m; education is the key to successBildung ist der Schlüssel zum Erfolg; the key to the mysteryder Schlüssel zum Geheimnis, des Rätsels Lösung; this was the key to the murderer’s identitydas gab Aufschluss darüber or das gab den Hinweis, wer der Mörder war
(= answers)Lösungen pl, → Schlüssel m; (Sch) → Schlüssel m, → Lehrerheft nt; (Math etc) → Lösungsheft nt; (for maps etc) → Zeichenerklärung f
(of piano, typewriter, Comput) → Taste f
(Mus) → Tonart f; to sing off keyfalsch singen; change of keyTonartwechsel m, → Modulation f; in the key of Cin C-Dur/c-Moll
(Build) → Untergrund m
adj attr (= vital)Schlüssel-, wichtigste(r, s); witnesswichtigste(r, s); key areaSchlüsselbereich m; key factorSchlüsselfaktor m(in sth bei etw); education is a key issueBildung ist eines der entscheidenden Themen; key industrySchlüsselindustrie f; key manSchlüsselfigur f; key pointspringender Punkt; key positionSchlüsselposition or -stellung f; key questionSchlüsselfrage f; key roleSchlüsselrolle f
vt
speech etc (to or for one’s audience) → (auf jdn) abstimmen or zuschneiden (→ to, for auf +acc), → anpassen (→ to, for +dat)
(Comput) (= input) text, dataeingeben; (= hit) character, F7 etcdrücken
vi (Comput) → Text/Daten eingeben

key

:
key card
nSchlüsselkarte f
key case
nSchlüsseletui nt
key chord
n (Mus) → Grunddreiklang m
key currency
n (Fin) → Leitwährung f

key

:
key money
nProvision f, → Schlüsselgeld nt
keynote
n (Mus) → Grundton m; (of a speech)Leitgedanke m, → Tenor m
adj attr key speech (Pol etc) → programmatische Rede
keynoter
n (Pol) jd, der eine programmatische Rede hält
keypad
n (Comput) → Tastenfeld nt
keyring
key signature
n (Mus) → Tonartbezeichnung f
keystone
n (Archit) → Schlussstein m; (fig)Grundpfeiler m
keystroke
nAnschlag m
keyword
n
(= significant word)Schlüsselwort nt; (in index) → Stichwort nt, → Schlagwort nt
(= code)Passwort nt, → Kennwort nt

key

[kiː]
1. n
a. (also) (fig) → chiave f; (for winding clock, toy) → chiave, chiavetta; (can opener) → chiavetta; (on map) → leg(g)enda
the key to success → la chiave del successo
b. (of piano, computer, typewriter) → tasto; (of wind instrument) → chiave f
c. (Mus) → chiave f
in the key of C/F → in chiave di do/fa
major/minor key → tonalità maggiore/minore
to change key → cambiare tonalità
to be in/off key → essere in/fuori tono
2. adj (vital, position, industry, man) → chiave inv
key in vt + adv (on computer, text) → digitare, battere

key

(kiː) noun
1. an instrument or tool by which something (eg a lock or a nut) is turned. Have you the key for this door?
2. in musical instruments, one of the small parts pressed to sound the notes. piano keys.
3. in a typewriter, calculator etc, one of the parts which one presses to cause a letter etc to be printed, displayed etc.
4. the scale in which a piece of music is set. What key are you singing in?; the key of F.
5. something that explains a mystery or gives an answer to a mystery, a code etc. the key to the whole problem.
6. in a map etc, a table explaining the symbols etc used in it.
adjective
most important. key industries; He is a key man in the firm.
ˈkeyboard noun
1. the keys in a piano, typewriter etc arranged along or on a flat board. The pianist sat down at the keyboard and began to play; A computer keyboard looks like that of a typewriter; (also adjective) harpsichords and other early keyboard instruments.
2. any keyboard (musical) instrument.
ˈkeyhole noun
the hole in which a key of a door etc is placed. The child looked through the keyhole to see if his teacher was still with his parents.
keyhole surgery noun
surgery done through a very small cut in the body.
ˈkeynote noun
1. the chief note in a musical key.
2. the chief point or theme (of a lecture etc).
keyed up
excited; tense.

key

مِفْتَاحٌ klávesa, klíč nøgle, tast Schlüssel, Taste κλειδί, πλήκτρο clave, llave, tecla avain, näppäin clé, touche ključ, tipka chiave, tasto キー, 鍵 열쇠, 키 sleutel, toets nøkkel, tangent klawisz, klucz chave, tecla клавиша, ключ knapp, nyckel กุญแจ, ปุ่ม anahtar, tuş chìa khóa, phím 按键, 钥匙

key

n. llave; [clue, reference] clave.
References in classic literature ?
A key is thrown in, which unlocks the door, and in a spasm of rapture he tears off his chains and rushes away to find and rescue his lady love.
Then he tells of the trouble he had in discovering how to solve the key to the translation code; but when he did, he found a great story unfolded to him.
Cutter-- locked out, for she had no key to the new lock--her head trembling with rage.
Madame Lebrun was bustling in and out, giving orders in a high key to a yard-boy whenever she got inside the house, and directions in an equally high voice to a dining-room servant whenever she got outside.
It was, however, succeeded by another and another strain, each in a higher key, until they grew on the ear, first in long drawn and often repeated interjections, and finally in words.
I have locked the door and thrown the key down into the front path.
We heard the turning of a key in a small lock; she has opened a secret drawer of an escritoire, and is probably looking at a certain miniature, done in Malbone's most perfect style, and representing a face worthy of no less delicate a pencil.
Unknown to all but Hester Prynne, and possessing the lock and key of her silence, he chose to withdraw his name from the roll of mankind, and, as regarded his former ties and interest, to vanish out of life as completely as if he indeed lay at the bottom of the ocean, whither rumour had long ago consigned him.
I knew the next day that a letter containing the key had, by the first post, gone off to his London apartments; but in spite of--or perhaps just on account of--the eventual diffusion of this knowledge we quite let him alone till after dinner, till such an hour of the evening, in fact, as might best accord with the kind of emotion on which our hopes were fixed.
It is the image of the ungraspable phantom of life; and this is the key to it all.
The man went out and closed the door; Jurgis, who was as sharp as he, observed that he took the key out of the lock, in order that he might peer through the keyhole.
He had, however, speculated largely and quite loosely; had involved himself deeply, and his notes to a large amount had come into the hands of Haley; and this small piece of information is the key to the preceding conversation.