burr
1
[ bur ]
/ bɜr /
noun
Also buhr.
a protruding, ragged edge raised on the surface of metal during drilling, shearing, punching, or engraving.
a rough or irregular protuberance on any object, as on a tree.
a small, handheld, power-driven milling cutter, used by machinists and die makers for deepening, widening, or undercutting small recesses.
a lump of brick fused or warped in firing.
verb (used with object)
to form a rough point or edge on.
Also
bur
(for defs 1, 3).
Origin of burr
1
First recorded in 1605–15; spelling variant of
bur1
Words nearby burr
burp,
burp gun,
burpee,
burpy,
burqa,
burr,
burr cut,
burr, aaron,
burr-hamilton duel,
burra,
burramys
Definition for burr (2 of 5)
burr
2
or bur
[ bur ]
/ bɜr /
noun
a washer placed at the head of a rivet.
a blank punched out of a piece of sheet metal.
Origin of burr
2
1375–1425; late Middle English
burrewez (plural),
buruhe circle, variant of
brough round tower; see
broch
Definition for burr (3 of 5)
burr
3
[ bur ]
/ bɜr /
noun
verb (used without object)
verb (used with object)
to pronounce (words, sounds, etc.) with a burr.
Origin of burr
3
First recorded in 1750–60; apparently both imitative and associative, the sound being thought of as rough like a bur
Definition for burr (4 of 5)
Origin of burr
4
1250–1300; Middle English
burre, probably so called from its roughness
Definition for burr (5 of 5)
Burr
[ bur ]
/ bɜr /
noun
Aaron,1756–1836,
vice president of the U.S. 1801–05.
Example sentences from the Web for burr
British Dictionary definitions for burr (1 of 5)
burr
1
/ (bɜː) /
noun
noun, verb
a variant spelling of bur
verb (tr)
to form a rough edge on (a workpiece)
to remove burrs from (a workpiece) by grinding, filing, etc; deburr
Word Origin for burr
C14: variant of
bur
British Dictionary definitions for burr (2 of 5)
burr
2
/ (bɜː) /
noun
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
a whirring sound
verb
to pronounce (words) with a burr
to make a whirring sound
Word Origin for burr
C18: either special use of
bur (in the sense: rough sound) or of imitative origin
British Dictionary definitions for burr (3 of 5)
burr
3
bur
/ (bɜː) /
noun
a washer fitting around the end of a rivet
a blank punched out of sheet metal
Word Origin for burr
C16 (in the sense: broad ring on a spear): variant of
burrow (in obsolete sense:
borough)
British Dictionary definitions for burr (4 of 5)
burr
4
buhr or bur
/ (bɜː) /
noun
short for buhrstone
a mass of hard siliceous rock surrounded by softer rock
Word Origin for burr
C18: probably from
bur, from its qualities of roughness
British Dictionary definitions for burr (5 of 5)
Burr
/ (bɜː) /
noun
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
Medical definitions for burr
burr
[ bûr ]
n.
Variant ofbur
Scientific definitions for burr
bur
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.