burr vs dentist's drill

burr and dentist's drill both are nouns.

Word	Noun	Adjective	Verb	Adverb
burr	Yes	No	Yes	No
dentist's drill	Yes	No	No	No

burr (noun)	dentist's drill (noun)
rough projection left on a workpiece after drilling or cutting	a high speed drill that dentists use to cut into teeth
rotary file for smoothing rough edges left on a workpiece
small bit used in dentistry or surgery
seed vessel having hooks or prickles

burr (verb)	dentist's drill (verb)
remove the burrs from