Definition of water lock in English:

water lock

Pronunciation /ˈwɔːtə lɒk/


  • 1 rare On a river, canal, etc.: = "lock" 11a.

    Recorded earliest in a surname.

  • 2Any of various devices or contrivances for locking water into or out of something, or in which water is used to seal something off.

  • 3An airlock for use underwater.


Middle English; earliest use found in Close Rolls Henry III. From water + lock.