n. [ Gr. &unr_; time + -meter: cf. F. chronomètre. ] 1. An instrument for measuring time; a timekeeper. [ 1913 Webster ] 2. 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. [ 1913 Webster ] 3. (Mus.) A metronome. [ 1913 Webster ]
Box chronometer. See under Box. --
Pocket chronometer, a chronometer in the form of a large watch. --
To rate a chronometer. See Rate, v. t. [ 1913 Webster ]
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