The size of a credit card, a loyalty punch card has a series of boxes that are punched or stamped by the cashier at time of purchase. When all the boxes are filled, the customer is entitled to a ...

(1) See loyalty punch card. (2) An early storage medium made of thin cardboard stock that held data as patterns of punched holes. Also called "punched" cards, each of the 80 or 96 columns held one ...