Scrabble?! THUMB

Definitions of THUMB in various dictionaries:

noun - the thick short innermost digit of the forelimb

noun - the part of a glove that provides a covering for the thumb

noun - a convex molding having a cross section in the form of a quarter of a circle or of an ellipse

verb - travel by getting free rides from motorists

verb - look through a book or other written material

verb - feel or handle with the fingers

The short thick digit of the human hand, next to the index finger and opposable to each of the other four digits.

A corresponding digit in other animals, especially primates.

The part of a glove or mitten that covers the thumb.

An ovolo.

To scan (written matter) by turning over pages with or as if with the thumb.

To disarrange, soil, or wear by careless or frequent handling.

To solicit (a ride) from a passing vehicle by signaling with the thumb.

To scan written matter by turning over pages with or as if with the thumb: thumbed through the latest issue of the magazine.

To hitchhike.

verb - to leaf through with the thumb (the short, thick digit of the human hand)