Webster's Revised Unabridged Dictionary · 1913

Water clock

Water clock

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

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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