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.
The plan to briefly escape their innie lives is set into motion after Mark’s outie receives the former head of security's key card from an ex-Lumon employee, Reghabi. Skyler Trepel, People.com, 17 Jan. 2025 And key cards for their doors have stopped working, risking locking them out. Jeff A. Chamer, Charlotte Observer, 16 Jan. 2025 Women would turn up to his signings dressed in the elaborate Victorian-goth attire of his characters and beg him to sign their breasts or slip him key cards to their hotel rooms. Lila Shapiro, Vulture, 13 Jan. 2025 While the Wild were at their morning skate at Lenovo Center, Crosby and a few of Fleury’s former teammates managed to get the key card to his hotel room. Michael Russo, The Athletic, 6 Jan. 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

Dictionary Entries Near key card

Cite this Entry

“Key card.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/key%20card. Accessed 16 Feb. 2025.

Last Updated: - Updated example sentences
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