Pronunciation: (chip'bôrd", -bōrd"), [key]
1. a low grade of cardboard, used as a backing for pads of paper, a stiffener for photographs in mailing, etc.
2. a thin, stiff sheet material made from wastepaper.
3. a type of board made from compressed waste wood bound together with synthetic resin.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.