Definitions For Thumb

noun

• A convex molding having a cross section in the form of a quarter of a circle or of an ellipse
• The part of a glove that provides a covering for the thumb
• The thick short innermost digit of the forelimb
• The short, thick finger on the side of your hand
• The part of a glove or mitten that covers a thumb

verb

• Feel or handle with the fingers
• Travel by getting free rides from motorists
• Look through a book or other written material
• To ask for or get a ride in a passing vehicle by sticking out your arm with your thumb up as you stand on the side of the road