Register to get FREE access

n. An instrument for measuring time; a timekeeper. 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.

 - (Mus.) A metronome. Box chronometer. See under Box.

 - Pocket chronometer, a chronometer in the form of a large watch. - To rate a chronometer. See Rate, vb.