Also found in: Thesaurus, Medical, Legal, Financial, Idioms, Encyclopedia, Wikipedia.
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 2also bur (bûr)
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
To pronounce with a burr.
1. To speak with a burr.
2. To make a buzzing or whirring sound.
burr 3also bur (bûr)
A washer that fits around the smaller end of a rivet.
[Middle English burre, ring, disk, alteration of burwhe, circle, disk.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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
(Botany) a variant spelling of bur
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]
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
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]
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)]
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]
(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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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]
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]
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.
Aaron, 1756–1836, vice president of the U.S. 1801–05.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
Past participle: burred
Past participle: burred
Collins English Verb Tables © HarperCollins Publishers 2011
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.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
Switch to new thesaurus
|Noun||1.||burr - seed vessel having hooks or prickles|
|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 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"
|Verb||1.||burr - remove the burrs from|
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
burr[bɜːʳ] N (Bot) → erizo m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
n. taladro; [dentistry] fresa;
fissure ___ → ___ de fisura;
diamond point ___ → ___ diamantada.
English-Spanish Medical Dictionary © Farlex 2012