noun
- plastic cards with magnetic strips or electronic chips used to gain access to buildings, rooms, or systems
Usage: plural of keycard
Examples
- Hotel guests receive keycards at check-in to access their rooms.
- Employees must scan their keycards to enter the secure building.
- The office keycards stopped working after the security system update.
- She keeps her work and gym keycards in her wallet.
- The hotel replaced all metal keys with electronic keycards last year.
- Students use keycards to access the dormitory after hours.