Definition of water lock in English:

water lock

noun

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

  • 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.

Origin

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

Pronunciation

water lock

/ˈwɔːtə lɒk/