rate of a chronometer - The daily loss or gain of a chronometer in relation to mean time.
ratlines or ratlins - The small lines which cross the shrouds horizontally, and form the rungs of a ladder.
chronometer: a highly accurate timepiece, set to Greenwich Mean Time and used for celestial navigation. chute: colloquial for spinnaker-a lightweight headsail set from a boat that is reaching or running before the wind.
Confused water action found at places where tidal currents meet chronometer A highly accurate timepiece, set to Greenwich Mean Time and used for celestial navigation.
GIMBALS A device by which a ship's compass, chronometer, etc., is suspended so as to remain in a constant horizontal position irrespective of the rolling or pitching of the vessel.
Pendulum clocks are useless on the rolling sea and hence the chronometer was an important invention which could even determine longitude at high noon without a sextant.
His machinery runs with the regularity of a chronometer. His owner's bills for coal and oil are confined within reasonable limits. There are no breakdowns. His firemen implicitly obey his orders, and all goes well in engine-room and stoke-hold.
 See also: Boat, Cringle, Running, Keel, Light
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