water clock

1. 1.

   clock that measures time by the escape of water

   Synonymsclepsydrawater glass

   Broaderclock

Questions about water clock

What does water clock mean?

water clock means "clock that measures time by the escape of water".

What is another word for water clock?

Close synonyms include clepsydra, water glass. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is water clock a common word?

water clock is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.