Burr

What is Burr?

Burr definition and meaning on Dictionary terms:
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.
deburr.

 

reference: www.dictionary.com/browse/burr

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