thumb

nouns

the thick short innermost digit of the forelimb
pollex, thumb
the part of a glove that provides a covering for the thumb
thumb
is a part of
handwear: covers the hand and wrist
glove
is a type of (narrower)
an artifact that covers something else (usually to protect or shelter or conceal it)
covering
a convex molding having a cross section in the form of a quarter of a circle or of an ellipse
ovolo, quarter round, thumb

verbs

travel by getting free rides from motorists
hitch, hitchhike, thumb
look through a book or other written material
"He thumbed through the report"; "She leafed through the volume"
flick, flip, leaf, riff, riffle, thumb
feel or handle with the fingers
"finger the binding of the book"
finger, thumb