noun
- An instrument that measures the depth of water.
- synonyms: bathymeter
Bathometer and Chronometer
WordNet 3.0 © 2006 by Princeton University
(n.) An instrument for measuring depths, especially one for taking soundings without a sounding line.
Webster's Revised Unabridged Dictionary
noun
- An accurate clock (especially used in navigation. ).
WordNet 3.0 © 2006 by Princeton University
- (n.) A portable timekeeper, with a heavy compensation balance, and usually beating half seconds; -- intended to keep time with great accuracy for use an astronomical observations, in determining longitude, etc.
- (n.) A metronome.
- (n.) An instrument for measuring time; a timekeeper.
Webster's Revised Unabridged Dictionary