water clock
noun
Definition of water clock
: an instrument designed to measure time by the fall or flow of a quantity of water —called also clepsydra
From the M-W Editors
First Known Use of water clock
1601
Learn More about water clock
-
See words that rhyme with water clock Britannica.com: Encyclopedia article about water clock
Seen and Heard
What made you want to look up water clock? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!