LONG-BOW. A noted weapon formerly supplied to our men-of-war.
LONG CHALKS. Great strides. (See [Chalks].)
LONGER. Each row of casks in the hold, athwart. Also, the fore and aft space allotted to a hammock; the longers reckoned similarly to last.
LONG-GASKETS. Those used for sea service; the opposite of [harbour-gaskets] (which see).
LONGIE. A name of the foolish guillemot, Uria troile, in the north.
LONGITUDE. Is an arc of the equator, or any parallel of latitude, contained between the meridian of a place and that of Greenwich, or any other first meridian. These arcs being similar, are expressed by the same number of degrees and miles, though the absolute distance on the earth's surface decreases as the latitude increases, for which see [Departure]. East longitude extends 180 degrees to the right, when looking north, and west longitude as many to the left of the first meridian.
LONGITUDE, Geocentric. The angular distance of a heavenly body from the first point of Aries, measured upon the ecliptic, as viewed from the earth.
LONGITUDE, Heliocentric. The angular distance of a body from the first point of Aries, measured upon the ecliptic, as viewed from the sun.
LONGITUDE BY ACCOUNT. The distance east and west, as computed from the ship's course and distance run, carried forward from the last astronomical determination.
LONGITUDE BY CHRONOMETER. Is estimated by the difference between the time at the place, and the time indicated by chronometer.