ACATIUM. A word used in Roman naval affairs for a small boat, and also the main-mast of a ship.
ACCELERATION. The increase of velocity in a moving body by the force of gravity. A planet is said to be accelerated when its actual diurnal motion exceeds its mean. In fixed stars the acceleration is the mean time by which they anticipate the sun's diurnal revolution, which is 3′ 56″ nearly.—Acceleration of the moon is the increase of her mean motion, caused by a slow change in the excentricity of the terrestrial orbit, and which has sensibly diminished the length of the moon's revolution since the time of the earliest observations.
ACCESS. Means of entry on board.
ACCESSIBLE. A place which can be approached by land or sea.
ACCLIVITY. The upward slope of an inclined cliff.
ACCOIL, To. To coil together, by folding round. (See [Coil].)
ACCOLADE [ad and collum, Lat.] The ceremony of dubbing a knight, and the consequent embrace formerly customary on the occasion.
ACCOMMODATIONS. Cabins fitted for passengers.—Accommodation ladder, a convenient flight of steps fixed at the gangway, by which officers and visitors enter the ship.—Accommodation, the physical application of one thing to another by analogy.
ACCOMPANY, To. To sail together; to sail in convoy.
ACCOST, To. To pass within hail of a ship; to sail coastwise; to approach, to draw near, or come side by side.