mag card: Meaning and Definition of

mag' card"

Pronunciation: (mag), [key]
  1. a plastic or paper card with a magnetizable layer on which data can be recorded and from which data can be read.
  2. such a card used in access-control systems, as for automatically unlocking doors. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.