burr

nouns

seed vessel having hooks or prickles

bur, burr

is derived from

rough projection left on a workpiece after drilling or cutting

burr

is a type of (narrower)

any structure that branches out from a central support

rotary file for smoothing rough edges left on a workpiece

burr

is a type of (narrower)

a tool driven by a motor

small bit used in dentistry or surgery

bur, burr

remove the burrs from

bur, burr