from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A clepsydra.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A device for measuring time by letting water flow out of a container, usually through a tiny aperture.
  • n. A clepsydra.

from the GNU version of the Collaborative International Dictionary of English

  • An instrument or machine serving to measure time by the fall, or flow, of a certain quantity of water; a clepsydra.

from The Century Dictionary and Cyclopedia

  • n. A clepsydra.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. clock that measures time by the escape of water


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