master key
noun[C]
uk/ˈmɑː.stə ˌkiː/us/ˈmæs.tɚ ˌkiː/akeythat can be used toopenany of several differentlocks
万能钥匙Building: locks & locksmithing
- bolt
- catch
- combination
- combination lock
- deadbolt
- deadlock
- fastener
- fob
- key chain
- key fob
- key ring
- keycard
- keyhole
- lock
- lockbox
- locksmith
- mortise lock
- padlock
- pass key
- Yale lock