from
The Collaborative International Dictionary of English v.0.48
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