ALONGSHORE. A common nautical phrase signifying along the coast, or a course which is in sight of the shore, and nearly parallel to it. (See ['Longshore].)
ALONGST. In the middle of a stream; moored head and stern.
ALOOF. The old word for "keep your luff," in the act of sailing to the wind. (See [Luff].)—Keep aloof, at a distance.
ALOOFE. See [Alewife].
ALOW. Synonymous with below; as alow and aloft, though more properly low and aloft. Carrying all sail alow and aloft is when the reefs are shaken out, and all the studding-sails set.
ALPHABETICAL LIST. This is a list which accompanies the ship's books; it contains the names and number of every person in the pay-book.
ALTAIR. The bright nautical star α Aquilæ, binary.
ALTAR. A platform in the upper part of a dock.
ALTEMETRIE. The old term for trigonometry among navigators.
ALTERNATE. Reciprocal.—Alternate angles are the internal angles formed by a line cutting two parallels, and lying on the opposite side of the cutting line; the one below the first parallel, and the other above.—Alternate ratio is that of which the antecedents and consequents bear respectively to each other in any proportion which has the quantities of the same kind.