clep·sy·dra (kl p s -dr )n. pl. clep·sy·dras or clep·sy·drae (-dr   ) An ancient device that measured time by marking the regulated flow of water through a small opening. Also called water glass. [Latin, from Greek klepsudra : kleptein, kleps-, to steal + hud  r, water; see wed-1 in Indo-European roots.] |
clepsydra [ˈklɛpsɪdrə]
n pl -dras, -drae [-ˌdriː]
(Miscellaneous Technologies / Horology) an ancient device for measuring time by the flow of water or mercury through a small aperture Also called water clock
[from Latin, from Greek klepsudra, from kleptein to steal + hudōr water]
clepsydra
an instrument for measuring time by the controlled flow of water or mercury through a small opening.
See also: Instruments, Time
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  clepsydra - clock that measures time by the escape of waterclock - a timepiece that shows the time of day |
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