chronometer : Idioms & Phrases
Box chronometer
- a ship's chronometer, mounted in gimbals, to preserve its proper position.
Webster 1913
Pocket chronometer
- a chronometer in the form of a large watch.
Webster 1913
To rate a chronometer
- . See
Rate , v. t. - to ascertain the exact rate of its gain or loss as compared with true time, so as to make an allowance or computation depended thereon.