Search Result for "water clock":
Wordnet 3.0

NOUN (1)

1. clock that measures time by the escape of water;
[syn: water clock, clepsydra, water glass]


The Collaborative International Dictionary of English v.0.48:

Water clock \Wa"ter clock`\ An instrument or machine serving to measure time by the fall, or flow, of a certain quantity of water; a clepsydra. [1913 Webster]
WordNet (r) 3.0 (2006):

water clock n 1: clock that measures time by the escape of water [syn: water clock, clepsydra, water glass]