burr

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burr 1

 (bûr)
n.
1. A rough edge or area remaining on material, such as metal, after it has been cast, cut, or drilled.
2. Variant of bur1.
tr.v. burred, burr·ing, burrs
1. To form a burr on.
2. To remove burrs from.

[Variant of bur.]

burr 2

also bur  (bûr)
n.
1. A trilling of the letter r, usually made with the tip of the tongue and characteristic of Scottish speech.
2. A buzzing or whirring sound.
v. burred, burr·ing, burrs also burs
v.tr.
To pronounce with a burr.
v.intr.
1. To speak with a burr.
2. To make a buzzing or whirring sound.

[Imitative.]

burr 3

also bur  (bûr)
n.
A washer that fits around the smaller end of a rivet.

[Middle English burre, ring, disk, alteration of burwhe, circle, disk.]

burr

(bɜː)
n
1. (Tools) a small power-driven hand-operated rotary file, esp for removing burrs or for machining recesses
2. (Mechanical Engineering) a rough edge left on a workpiece after cutting, drilling, etc
3. a rough or irregular protuberance, such as a burl on a tree
4. (Furniture) Brit a burl on the trunk or root of a tree, sliced across for use as decorative veneer
n, vb
(Botany) a variant spelling of bur
vb (tr)
5. (Mechanical Engineering) to form a rough edge on (a workpiece)
6. (Mechanical Engineering) to remove burrs from (a workpiece) by grinding, filing, etc; deburr
[C14: variant of bur]

burr

(bɜː)
n
1. (Phonetics & Phonology) phonetics an articulation of (r) characteristic of certain English dialects, esp the uvular fricative trill of Northumberland or the retroflex r of the West of England
2. a whirring sound
vb
3. (Phonetics & Phonology) to pronounce (words) with a burr
4. to make a whirring sound
[C18: either special use of bur (in the sense: rough sound) or of imitative origin]

burr

(bɜː) or

bur

n
1. (General Engineering) a washer fitting around the end of a rivet
2. (Metallurgy) a blank punched out of sheet metal
[C16 (in the sense: broad ring on a spear): variant of burrow (in obsolete sense: borough)]

burr

(bɜː) ,

buhr

or

bur

n
1. (Geological Science) short for buhrstone
2. (Geological Science) a mass of hard siliceous rock surrounded by softer rock
[C18: probably from bur, from its qualities of roughness]

Burr

(bɜː)
n
(Biography) Aaron. 1756–1836, US vice-president (1800–04), who fled after killing a political rival in a duel and plotted to create an independent empire in the western US; acquitted (1807) of treason

burr1

(bɜr)
n.
1. a protruding ragged edge raised on metal during drilling, shearing, punching, or engraving.
2. a rough protuberance on any object.
3. a hand-held rotary power tool used to cut small recesses.
v.t.
4. to form a rough point or edge on.
5. to remove burrs from.
Also, bur (for defs. 1,3).
[1605–15; sp. variant of bur]

burr2

(bɜr)

n.
1. a washer placed at the head of a rivet.
2. a blank punched out of sheet metal.
[1375–1425; late Middle English burrewez (pl.), buruhe circle, variant of brough round tower, metathetic variant of burgh]

burr3

(bɜr)
n.
1. a pronunciation of (r) as a uvular trill, as in some Northern English dialects.
2. a pronunciation of (r) as an alveolar flap or trill, as in Scottish English.
3. a whirring noise.
v.i.
4. to speak with a burr.
5. to make a whirring sound.
v.t.
6. to pronounce with a burr.
[1750–60; imitative]

Burr

(bɜr)

n.
Aaron, 1756–1836, vice president of the U.S. 1801–05.

burr


Past participle: burred
Gerund: burring

Imperative
burr
burr
Present
I burr
you burr
he/she/it burrs
we burr
you burr
they burr
Preterite
I burred
you burred
he/she/it burred
we burred
you burred
they burred
Present Continuous
I am burring
you are burring
he/she/it is burring
we are burring
you are burring
they are burring
Present Perfect
I have burred
you have burred
he/she/it has burred
we have burred
you have burred
they have burred
Past Continuous
I was burring
you were burring
he/she/it was burring
we were burring
you were burring
they were burring
Past Perfect
I had burred
you had burred
he/she/it had burred
we had burred
you had burred
they had burred
Future
I will burr
you will burr
he/she/it will burr
we will burr
you will burr
they will burr
Future Perfect
I will have burred
you will have burred
he/she/it will have burred
we will have burred
you will have burred
they will have burred
Future Continuous
I will be burring
you will be burring
he/she/it will be burring
we will be burring
you will be burring
they will be burring
Present Perfect Continuous
I have been burring
you have been burring
he/she/it has been burring
we have been burring
you have been burring
they have been burring
Future Perfect Continuous
I will have been burring
you will have been burring
he/she/it will have been burring
we will have been burring
you will have been burring
they will have been burring
Past Perfect Continuous
I had been burring
you had been burring
he/she/it had been burring
we had been burring
you had been burring
they had been burring
Conditional
I would burr
you would burr
he/she/it would burr
we would burr
you would burr
they would burr
Past Conditional
I would have burred
you would have burred
he/she/it would have burred
we would have burred
you would have burred
they would have burred

burr


Past participle: burred
Gerund: burring

Imperative
burr
burr
Present
I burr
you burr
he/she/it burrs
we burr
you burr
they burr
Preterite
I burred
you burred
he/she/it burred
we burred
you burred
they burred
Present Continuous
I am burring
you are burring
he/she/it is burring
we are burring
you are burring
they are burring
Present Perfect
I have burred
you have burred
he/she/it has burred
we have burred
you have burred
they have burred
Past Continuous
I was burring
you were burring
he/she/it was burring
we were burring
you were burring
they were burring
Past Perfect
I had burred
you had burred
he/she/it had burred
we had burred
you had burred
they had burred
Future
I will burr
you will burr
he/she/it will burr
we will burr
you will burr
they will burr
Future Perfect
I will have burred
you will have burred
he/she/it will have burred
we will have burred
you will have burred
they will have burred
Future Continuous
I will be burring
you will be burring
he/she/it will be burring
we will be burring
you will be burring
they will be burring
Present Perfect Continuous
I have been burring
you have been burring
he/she/it has been burring
we have been burring
you have been burring
they have been burring
Future Perfect Continuous
I will have been burring
you will have been burring
he/she/it will have been burring
we will have been burring
you will have been burring
they will have been burring
Past Perfect Continuous
I had been burring
you had been burring
he/she/it had been burring
we had been burring
you had been burring
they had been burring
Conditional
I would burr
you would burr
he/she/it would burr
we would burr
you would burr
they would burr
Past Conditional
I would have burred
you would have burred
he/she/it would have burred
we would have burred
you would have burred
they would have burred

burr

A rough, upturned edge made by an engraver’s burin or needle. It gives a soft, rich line to drypoint, but is removed when sharp line is required as in line engraving.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.burr - seed vessel having hooks or pricklesburr - seed vessel having hooks or prickles
pericarp, seed vessel - the ripened and variously modified walls of a plant ovary
beggar-ticks, Spanish needles - the seed of bur marigolds
2.burr - rough projection left on a workpiece after drilling or cutting
projection - any structure that branches out from a central support
3.burr - United States politician who served as vice president under JeffersonBurr - United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836)
4.burr - rotary file for smoothing rough edges left on a workpiece
power tool - a tool driven by a motor
5.burr - small bit used in dentistry or surgery
bit - the cutting part of a drill; usually pointed and threaded and is replaceable in a brace or bitstock or drill press; "he looked around for the right size bit"
burr drill, dentist's drill - a high speed drill that dentists use to cut into teeth
Verb1.burr - remove the burrs from
remove, take away, withdraw, take - remove something concrete, as by lifting, pushing, or taking off, or remove something abstract; "remove a threat"; "remove a wrapper"; "Remove the dirty dishes from the table"; "take the gun from your pocket"; "This machine withdraws heat from the environment"

burr

also bur
noun
A continuous low-pitched droning sound:
verb
To make a continuous low-pitched droning sound:
Translations

burr

[bɜːʳ] N (Bot) → erizo m

burr

[ˈbɜːr] n
[plant] → teigne f
(= accent) → grasseyement m

burr

2
n (Ling) breiige Aussprache (von R); to speak with a burrbreiig sprechen

burr

bur [bɜːʳ]
1. n
a. (Bot) → lappa, bardana
b. (Ling) to speak with a burrarrotare la erre
c. (sound) → ronzio
2. vi (plane) → ronzare; (telephone) → suonare

burr

n. taladro; [dentistry] fresa;
fissure ______ de fisura;
diamond point ______ diamantada.
References in periodicals archive ?
A more subtle form of chipping and burring may occur from inadequate metal alloy, overly acute grind angles, excessive cant (shear) angles, and severe lateral vibration.
Angles substantially greater than 1[degrees] are especially prone to chipping and burring of the upper blade.