noun
keycard
noun
1
A plastic card with a stored digital code, used instead of a metal key to open electronic locks, such as hotel room doors.
"The hotel gave us two keycards for the room."
"His keycard stopped working after it got too close to his phone."
How to Use Keycard
Learner’s notesIn plain EnglishA plastic swipe or tap card that unlocks a door instead of a metal key.
Common pairings
swipe a keycard
keycard access
hotel keycard
Word Forms
keycards plural, keycards plural
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The hotel gave us two _____ for the room.
Etymology
A modern compound of "key" and "card", describing a card that does a key's job.