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
Kara GodfreyMorrill Hall has an open lobby but requires key cards to enter elevators to get to dorm rooms.—The Associated Press State & Local Wire
The Associated Press State & Local Wire… a plan to buy a $1 million key card voting system …—Hillary Chabot
Hillary ChabotExamples of key card in a Sentence
Recent Examples on the Web
In a particularly charming touch, Gardiner House keeps things old school with real metal room keys, as opposed to key cards.
—Condé Nast, Condé Nast Traveler, 7 May 2026
That includes Archetype Packs that include three key cards for some of the popular decks in the game such as Destroy, On Reveal Combo decks and Discard.
—Gieson Cacho, Mercury News, 4 May 2026
The Folsom Business Center discovered several laptops, key cards and other supplies were missing in late April, sparking a police investigation.
—Corey Schmidt, Sacbee.com, 2 May 2026
Smith went to the hotel’s reception in the early hours of the morning and was handed a key card, according to the outlet.
—Becca Longmire, PEOPLE, 31 Mar. 2026
See All Example Sentences for key card
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Condé Nast, Condé Nast Traveler, 7 May 2026
That includes Archetype Packs that include three key cards for some of the popular decks in the game such as Destroy, On Reveal Combo decks and Discard.
—Gieson Cacho, Mercury News, 4 May 2026
The Folsom Business Center discovered several laptops, key cards and other supplies were missing in late April, sparking a police investigation.
—Corey Schmidt, Sacbee.com, 2 May 2026
Smith went to the hotel’s reception in the early hours of the morning and was handed a key card, according to the outlet.
—Becca Longmire, PEOPLE, 31 Mar. 2026
See All Example Sentences for key card
Cite this Entry
“Key card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/key%20card. Accessed 11 May. 2026.
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