keycard.
A usually plastic card which stores a digital signature that is used to operate an electronic access control lock.
Meaning & usage
A usually plastic card which stores a digital signature that is used to operate an electronic access control lock.
Where this word comes from
From key (“lock opener”) + card (“piece of plastic”).
In Roman keycard Blackwood, an ace of any suit or the king of trumps.
Where this word comes from
From key (“important”) + card (“playing card”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.