Burring

a rough, prickly case around the seeds of certain plants, as the chestnut or burdock.
any bur-bearing plant.
something that adheres like a bur.
Machinery, burr1 (defs 1, 3).
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.
Surgery. a cutting tool resembling that of a dentist, used for the excavation of bone.
to extract or remove burs from.
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, hand-held, 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.
to form a rough point or edge on.
deburr.
a pronunciation of the r- sound as a uvular trill, as in certain Northern English dialects.
a pronunciation of the r- sound as an alveolar flap or trill, as in Scottish English.
any pronunciation popularly considered rough or nonurban.
a whirring noise.
to speak with a burr.
to speak roughly, indistinctly, or inarticulately.
to make a whirring sound.
to pronounce (words, sounds, etc.) with a burr.
Historical Examples

The Sailor’s Word-Book William Henry Smyth
The Avenger E. Phillips Oppenheim
The Woman Who Toils Mrs. John Van Vorst and Marie Van Vorst
Main Street Sinclair Lewis
Back Home Irvin S. Cobb
The Invasion William Le Queux
The Sailor’s Word-Book William Henry Smyth
Modern Machine-Shop Practice, Volumes I and II Joshua Rose
Mr. Achilles Jennette Lee
The House of Walderne A. D. Crake

noun
a seed vessel or flower head, as of burdock, having hooks or prickles
any plant that produces burs
a person or thing that clings like a bur
a small surgical or dental drill
a variant spelling of burr3 , burr4
verb burs, burring, burred
(transitive) to remove burs from
abbreviation
Myanmar (international car registration)
noun
a small power-driven hand-operated rotary file, esp for removing burrs or for machining recesses
a rough edge left on a workpiece after cutting, drilling, etc
a rough or irregular protuberance, such as a burl on a tree
(Brit) a burl on the trunk or root of a tree, sliced across for use as decorative veneer
noun, verb
a variant spelling of bur
verb (transitive)
to form a rough edge on (a workpiece)
to remove burrs from (a workpiece) by grinding, filing, etc; deburr
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
noun
a washer fitting around the end of a rivet
a blank punched out of sheet metal
noun
short for buhrstone
a mass of hard siliceous rock surrounded by softer rock
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
n.
n.

bur also burr
(bûr)
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.
Burbank Glendale Pasadena Airport
Myanmar (international vehicle ID)