Open English Wordnet
Nouns
(n)thumb, pollexthe thick short innermost digit of the forelimb (n)thumbthe part of a glove that provides a covering for the thumb (n)ovolo, thumb, quarter rounda convex molding having a cross section in the form of a quarter of a circle or of an ellipse Verbs
(v)flick, flip, thumb, riffle, leaf, rifflook through a book or other written material“He thumbed through the report”,
“She leafed through the volume” (v)finger, thumbfeel or handle with the fingers“finger the binding of the book”