key card
noun
plural key cards
: a small usually plastic card that contains encoded data to electronically open or access something (such as a door or a system)
Hotel room doors are often accessed by a key card programmed by the front desk.—
Kara Godfrey
Morrill Hall has an open lobby but requires key cards to enter elevators to get to dorm rooms.—
The Associated Press State & Local Wire
… a plan to buy a $1 million key card voting system …—
Hillary Chabot
Love words? Need even more definitions?
Merriam-Webster unabridged
Share