See key card
noun 1. a plastic card, similar to a credit card, containing data on an embedded magnetized strip that can electronically unlock a door, activate a machine, etc. noun a magnetically encoded plastic card that can be used as a key in a door or to operate some other electronic device, such as an ATM; also […]
noun 1. a small case in which keys are carried.
noun 1. a private nightclub admitting only members and their guests, the members often being given door keys to the club. noun phrase
noun 1. a subspecies of miniature white-tailed deer, native to the Florida Keys, where the small remaining population is kept in preserves.