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Noun: thumb  thúm
  1. The thick short innermost digit of the forelimb
    - pollex
     
  2. The part of a glove that provides a covering for the thumb
     
  3. A convex moulding having a cross section in the form of a quarter of a circle or of an ellipse
    - ovolo, quarter round
Verb: thumb  thúm
  1. Travel by getting free rides from motorists
    "You can, of course, thumb anywhere that there are cars and traffic";
    - hitchhike, hitch
     
  2. Look through a book or other written material
    "He thumbed through the report";
    - flick, flip, riffle, leaf, riff
     
  3. Feel or handle with the fingers
    "thumb the binding of the book";
    - finger

Derived forms: thumbed, thumbing, thumbs

Type of: covering, finger, molding [N. Amer], moulding [Brit, Cdn], peruse, ride, touch

Part of: glove

Encyclopedia: Thumb, Tom, House