bur-ring

bur

1 [bur]
noun
1.
a rough, prickly case around the seeds of certain plants, as the chestnut or burdock.
2.
any bur-bearing plant.
3.
something that adheres like a bur.
4.
Machinery, burr1 ( defs 1, 3 ).
5.
Dentistry. a rotary cutting tool usually of steel or other hard metal shaped into a shank and a head, for removing carious material from teeth and preparing cavities for filling.
6.
Surgery. a cutting tool resembling that of a dentist, used for the excavation of bone.
verb (used with object), burred, burring.
7.
to extract or remove burs from.

Origin:
1300–50; Middle English burre, apparently cognate with Danish burre, Norwegian, Swedish borre bur

Dictionary.com Unabridged

burr

1 [bur]
noun
1.
Also, buhr. a protruding, ragged edge raised on the surface of metal during drilling, shearing, punching, or engraving.
2.
a rough or irregular protuberance on any object, as on a tree.
3.
a small, hand-held, power-driven milling cutter, used by machinists and die makers for deepening, widening, or undercutting small recesses.
4.
a lump of brick fused or warped in firing.
verb (used with object)
5.
to form a rough point or edge on.
Also, bur (for defs 1, 3).


Origin:
1605–15; spelling variant of bur1

burr

3 [bur]
noun
1.
a pronunciation of the r- sound as a uvular trill, as in certain Northern English dialects.
2.
a pronunciation of the r- sound as an alveolar flap or trill, as in Scottish English.
3.
any pronunciation popularly considered rough or nonurban.
4.
a whirring noise.
verb (used without object)
5.
to speak with a burr.
6.
to speak roughly, indistinctly, or inarticulately.
7.
to make a whirring sound.
verb (used with object)
8.
to pronounce (words, sounds, etc.) with a burr.

Origin:
1750–60; apparently both imitative and associative, the sound being thought of as rough like a bur

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
bur (bɜː)
 
n
1.  a seed vessel or flower head, as of burdock, having hooks or prickles
2.  any plant that produces burs
3.  a person or thing that clings like a bur
4.  a small surgical or dental drill
5.  burr a variant spelling of burr
 
vb , burs, burring, burred
6.  (tr) to remove burs from
 
[C14: probably of Scandinavian origin; compare Danish burre bur, Swedish kardborre burdock]

BUR
 
abbreviation for
Myanmar (international car registration)
 
[from Burma]

burr1 (bɜː)
 
n
1.  a small power-driven hand-operated rotary file, esp for removing burrs or for machining recesses
2.  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.  (Brit) a burl on the trunk or root of a tree, sliced across for use as decorative veneer
 
n, —vb
5.  a variant spelling of bur
 
vb
6.  to form a rough edge on (a workpiece)
7.  to remove burrs from (a workpiece) by grinding, filing, etc; deburr
 
[C14: variant of bur]

burr2 (bɜː)
 
n
1.  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.  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 or bur3 (bɜː)
 
n
1.  a washer fitting around the end of a rivet
2.  a blank punched out of sheet metal
 
[C16 (in the sense: broad ring on a spear): variant of burrow (in obsolete sense: borough)]
 
bur or bur3
 
n
 
[C16 (in the sense: broad ring on a spear): variant of burrow (in obsolete sense: borough)]

burr, buhr or bur4 (bɜː)
 
n
1.  short for buhrstone
2.  a mass of hard siliceous rock surrounded by softer rock
 
[C18: probably from bur, from its qualities of roughness]
 
buhr, buhr or bur4
 
n
 
[C18: probably from bur, from its qualities of roughness]
 
bur, buhr or bur4
 
n
 
[C18: probably from bur, from its qualities of roughness]

Burr (bɜː)
 
n
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 & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

bur
"prickly seed vessel of some plants," c.1300, burre, from a Scandinavian source (cf. Dan. borre, Swed. hard-borre, O.N. burst "bristle"), from PIE *bhars- (see bristle). Transferred 1610s to "rough edge on metal," which may have been the source of the sense "rough sound
of the letter -r-" (see burr).

burr
"rough sound of the letter -r-" (especially that common in Northumberland), 1760, later extended to "northern accented speech" in general. Possibly the sound of the word is imitative of the speech peculiarity itself, or it was adapted from one of the senses of bur (q.v.), perhaps
from the phrase to have a bur in (one's) throat (late 14c.), which was a figure of speech for "feel a choking sensation, huskiness." The Scottish -r- is a lingual trill, not a true burr.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
American Heritage
Medical Dictionary

bur or burr (bûr)
n.

  1. A rotary cutting instrument used in dentistry for excavating decay, shaping cavity forms, and reducing tooth structure.

  2. A drilling tool for enlarging a trephine hole in the cranium.

burr (bûr)
n.
Variant of bur.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
bur also burr   (bûr)  Pronunciation Key 
A type of pseudocarp in which the outer surface possesses hooks or barbs. Burs become caught in the feathers or hair of animals, which then carry them away to disperse the seeds.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
American Heritage
Abbreviations & Acronyms
BUR
  1. Burbank Glendale Pasadena Airport

  2. Myanmar (international vehicle ID)

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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