fin

fin ¹  (fn)

n.

1. A membranous appendage extending from the body of a fish or other aquatic animal, used for propelling, steering, or balancing the body in the water.

2. Something resembling a fin in shape or function, as:

a. A fixed or movable airfoil used to stabilize an aircraft, missile, or projectile in flight.

b. A thin, usually curved projection attached to the rear bottom of a surfboard for stability.

c. A projecting vane used for cooling, as on a radiator or an engine cylinder.

d. See tail fin.

3. See flipper.

v. finned, fin·ning, fins

v.tr.

To equip with fins.

v.intr.

1. To emerge with the fins above water.

2. To swim, as a fish.

3. To lash the water with the fins. Used of a dying whale.

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[Middle English, from Old English finn.]

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fin ²  (fn)

n. Slang

A five-dollar bill.

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[Yiddish finf, five, from Old High German funf, finf; see penk^we in Indo-European roots.]

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FIN

international car registration for

(Engineering / Automotive Engineering) Finland

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fin¹

n

1. (Life Sciences & Allied Applications / Zoology) any of the firm appendages that are the organs of locomotion and balance in fishes and some other aquatic animals. Most fishes have paired and unpaired fins, the former corresponding to the limbs of higher vertebrates

2. a part or appendage that resembles a fin

3. (Engineering / Aeronautics)

a.  Brit a vertical surface to which the rudder is attached, usually placed at the rear of an aeroplane to give stability about the vertical axis US name vertical stabilizer

b.  a tail surface fixed to a rocket or missile to give stability

4. (Transport / Nautical Terms) Nautical a fixed or adjustable blade projecting under water from the hull of a vessel to give it stability or control

5. (Engineering / Mechanical Engineering) a projecting rib to dissipate heat from the surface of an engine cylinder, motor casing, or radiator

6. (Individual Sports & Recreations / Swimming, Water Sports & Surfing) (often plural) another name for flipper [2]

vb fins, finning, finned

1. (tr) to provide with fins

2. (Life Sciences & Allied Applications / Zoology) (tr) to remove the fins from (a dead fish)

3. (Life Sciences & Allied Applications / Zoology) (intr) (esp of a whale) to agitate the fins violently in the water

[Old English finn; related to Middle Dutch vinne, Old Swedish fina, Latin pinna wing]

finless  adj

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fin²

n

US slang a five-dollar bill

[from Yiddish finf five, ultimately from Old High German funf, finf]

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fin  (fn)

One of the winglike or paddlelike parts of a fish, dolphin, or whale that are used for propelling, steering, and balancing in water.

Thesaurus

Noun	1.	fin - the cardinal number that is the sum of four and one 5, cinque, five, fivesome, Little Phoebe, pentad, Phoebe, quint, quintuplet, quintet, V digit, figure - one of the elements that collectively form a system of numeration; "0 and 1 are digits"
	2.	fin - one of a pair of decorations projecting above the rear fenders of an automobile tail fin, tailfin auto, automobile, car, motorcar, machine - a motor vehicle with four wheels; usually propelled by an internal combustion engine; "he needs a car to get to work" decoration, ornament, ornamentation - something used to beautify
	3.	fin - one of a set of parallel slats in a door or window to admit air and reject rain louver, louvre jalousie - a shutter made of angled slats slat, spline - a thin strip (wood or metal)
	4.	fin - a shoe for swimming; the paddle-like front is an aid in swimming (especially underwater) flipper shoe - footwear shaped to fit the foot (below the ankle) with a flexible upper of leather or plastic and a sole and heel of heavier material
	5.	fin - a stabilizer on a ship that resembles the fin of a fish ship - a vessel that carries passengers or freight stabiliser, stabilizer - a device for making something stable vane - a fin attached to the tail of an arrow, bomb or missile in order to stabilize or guide it
	6.	fin - organ of locomotion and balance in fishes and some other aquatic animals ray - any of the stiff bony spines in the fin of a fish dorsal fin - unpaired median fin on the backs of fishes and some other aquatic vertebrates that help to maintain balance pectoral fin - either of a pair of fins situated just behind the head in fishes that help control the direction of movement pelvic fin, ventral fin - either of a pair of fins attached to the pelvic girdle in fishes that help control the direction of movement; correspond to hind limbs of a land vertebrate caudal fin, tail fin - the tail of fishes and some other aquatic vertebrates fish - any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills; "the shark is a large fish"; "in the living room there was a tank of colorful fish" appendage, extremity, member - an external body part that projects from the body; "it is important to keep the extremities warm"
Verb	1.	fin - equip (a car) with fins equip, fit out, outfit, fit - provide with (something) usually for a specific purpose; "The expedition was equipped with proper clothing, food, and other necessities"
	2.	fin - propel oneself through the water in a finning motion aquatics, water sport - sports that involve bodies of water swim - travel through water; "We had to swim for 20 minutes to reach the shore"; "a big fish was swimming in the tank"
	3.	fin - show the fins above the water while swimming; "The sharks were finning near the surface" break water swim - travel through water; "We had to swim for 20 minutes to reach the shore"; "a big fish was swimming in the tank"

Translations

fin [fɪn] N (all senses) → aleta f

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fin [ˈfɪn] n [fish] → nageoire f

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fin

n

(of fish) → Flosse f

(Aviat) → Seitenleitwerk nt, → Seitenflosse f; (of bomb, rocket, ship) → Stabilisierungsfläche f

(Aut, of radiator) → Kühlrippe f

(for swimming) → Schwimmflosse f

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fin [fɪn] n (of fish) → pinna; (of plane, bomb) → impennaggio verticale

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fin [fɪn] n (of fish) → pinna; (of plane, bomb) → impennaggio verticale

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fin

n fin [fin]

1 a thin movable part on a fish's body by which it balances, moves, changes direction etc. vin زِعْنِفَة السَّمَك перка ploutev finne die Flosse πτερύγιο aleta uim باله evä nageoire סְנַפִּיר मीन, पंख peraja uszony sirip uggi pinna ひれ 지느러미 pelekas (zivs) spura sirip vin finne płetwa barbatana aripioară (de peşte) плавник plutva plavut peraje fena ครีบ (ปลา) yüzgeç 鰭 плавець مچھلی اور سمندری جانوروں میں پاۓ جانے والے پنکھ جو انہیں تیرنے وغیرہ میں مدد کرتے ہیں vây cá 鳍

2 anything that looks or is used like a fin the tail-fin of an aeroplane. vin; stertvin زعنِفَة ذَيل الطائِرَه опашка směrové kormidlo halefinne; finne; sideror; haleror die Flosse πτερύγιο deriva (saba)kiil هر چیز باله مانند vakaaja dérive, empennage מְייַצֵב पंख stvari koje izgledaju ili se koriste kao peraje függőleges vezérsík sirip uggi, stélkambur pinna, deriva ひれ状のもの 지느러미 모양의 부분 kilis, stabilizatorius ķīlis; stabilizators sirip ekor kapal terbang stabilisator (hale-/styre)finne statecznik quilha derivă, ampenaj киль smerové kormidlo krmilo, krmilni sistem kormilo fena ส่วนที่ยื่นออกมาคล้ายครีบ (ของเรือใต้น้ำหรือเครื่องบิน) kuyruk 鰭狀物 кіль; вертикальний стабілізатор پنکھ کی طرح استعمال ہونے والی کوئی شے bộ thăng bằng 鳍状物