thumb vs musculus abductor pollicis

thumb and musculus abductor pollicis both are nouns.

Word	Noun	Adjective	Verb	Adverb
thumb	Yes	No	Yes	No
musculus abductor pollicis	Yes	No	No	No

thumb (noun)	musculus abductor pollicis (noun)
the part of a glove that provides a covering for the thumb	the abductor muscle of the thumb
a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
the thick short innermost digit of the forelimb

thumb (verb)	musculus abductor pollicis (verb)
feel or handle with the fingers
travel by getting free rides from motorists
look through a book or other written material