'Chronometer' definitions:

Definition of 'chronometer'

From: WordNet
noun
An accurate clock (especially used in navigation)

Definition of 'Chronometer'

From: GCIDE
  • Chronometer \Chro*nom"e*ter\, n. [Gr. ? time + -meter: cf. F. chronom[`e]tre.]
  • 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] Chronometric

Synonyms of 'chronometer'

From: Moby Thesaurus