The Sailor's Word-Book / An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc.

by W. H. Smyth

NAULAGE. A freight or fare.

NAUMACHIA. An artificial piece of water whereon the ancient Romans represented a sea-fight, supposed to have originated in the first Punic war.

NAUROPOMETER. An instrument for measuring the amount of a ship's heel or inclination at sea.

NAUSCOPY. The tact of discovering ships or land at considerable distances.

NAUTICAL. Relating to navigation, sailors, or maritime affairs in general.

NAUTICAL ALMANAC. A book of the first necessity to navigators. (See [Ephemeris].)

NAUTICAL ASSESSORS. Persons of nautical experience appointed to assist the judge of the admiralty and other courts in technical difficulties.

NAUTICAL ASTRONOMY. That part of the celestial science which treats of the planets and stars so far as relates to the purposes of navigation.

NAUTICAL DAY. This day commences at noon, twelve hours before the civil day, and ends at noon of the day following. (See [Day].)

NAUTICAL MILE (Mean) = 6075·6 feet.