burr

Definition
(noun) seed vessel having hooks or prickles Definition
(noun) rough projection left on a workpiece after drilling or cutting Definition
(noun) United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836) Definition
(noun) rotary file for smoothing rough edges left on a workpiece Definition
(noun) small bit used in dentistry or surgery Definition
(verb) remove the burrs from