clepsydra Meaning, Definition & Usage

  1. noun clock that measures time by the escape of water
    water clock; water glass.

WordNet


Clep"sy*dra noun
Etymology
L. from Gr. to steal, conceal + water.
Definitions
  1. A water clock; a contrivance for measuring time by the graduated flow of a liquid, as of water, through a small aperture. See Illust. in Appendix.

Webster 1913