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

Examples of key card in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Auctions held in person would have to be accessible to the public, not behind locked doors or in locations requiring a key card access. Brittany Wallman, Miami Herald, 3 Mar. 2025 Security footage and key card entry logs showed Vanriette entering and exiting more than 15 times on the 14th, court documents read, even though he was not assigned to that locker room. Ilana Arougheti, Kansas City Star, 2 Mar. 2025 The ransomware attack affected 30 MGM Resort properties causing immediate tremendous disruption that lasted for nine days with guests’ digital key cards inoperable, locking them out of their rooms, as well as affecting slot machines, ATMs and check in systems. Steve Weisman, Forbes, 12 Mar. 2025 Julian’s key card was also logged as entering a women’s restroom on the 25th floor and then entering Olympia’s old office, 2523. Noel Murray, Vulture, 6 Mar. 2025 See All Example Sentences for key card

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of key card was in 1966

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Cite this Entry

“Key card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/key%20card. Accessed 4 Apr. 2025.

Last Updated: - Updated example sentences
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