Pronunciation: (bûr),[key] —n. 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.
—v.t. 1. to form a rough point or edge on.
2. deburr. Also,bur(for defs. 1, 3).
Pronunciation: (bûr),[key] —n. 1. a washer placed at the head of a rivet.
2. a blank punched out of a piece of sheet metal. Also,bur.
Pronunciation: (bûr),[key] —n. 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.
—v.i. 1. to speak with a burr.
2. to speak roughly, indistinctly, or inarticulately.
3. to make a whirring sound.
—v.t. to pronounce (words, sounds, etc.) with a burr.