THUMB

Definition of THUMB

  1. (verb)travel by getting free rides from motorists
  2. (verb)look through a book or other written material
  3. (verb)feel or handle with the fingers
  4. (noun)the thick short innermost digit of the forelimb
  5. (noun)the part of a glove that provides a covering for the thumb
  6. (noun)a convex molding having a cross section in the form of a quarter of a circle or of an ellipse