ADVICE-BOAT. A small fast-sailing vessel in advance of a fleet, employed to carry intelligence with all possible despatch. They were first used in 1692, to gain tidings of what was transacting in Brest, previous to the battle of La Hogue.
ADVOCATE GENERAL. An officer of the High Court of Admiralty, whose duty it is to appear for the lord high-admiral in that court, the court of delegates, or any other wherein his rights are concerned.—Judge-advocate of the navy, a law officer appointed to watch over and direct proceedings connected with courts-martial.—Deputy judge-advocate, an appointment made by the sudden selection of some secretary, or captain's clerk, to perform the duty at a court-martial (where no legal person is empowered), utterly ignorant of the law or the customs of the naval service.
ADZE, or Addice. A cutting tool of the axe kind, for dubbing flat and circular work, much used by shipwrights, especially by the Parsee builders in India, with whom it serves for axe, plane, and chisel. It is a curious fact that from the polar regions to the equator, and southerly throughout Polynesia, this instrument and its peculiar adaptations, whether made of iron, basalt, nephrite, &c., all preserve the same idea or identity of conception.
ÆINAUTÆ. Senators of Miletus, who held their deliberations on board ship.
ÆRATÆ. Ancient ships fitted with brazen prows.
AEROLITES. One of the many names given to those solid masses or stones which occasionally fall from the atmosphere to the surface of the earth. The assumption of their periodicity cannot, as yet, be considered as confirmed.
AEROLOGY. The rational doctrine or science of the air and its phenomena.
AEROMANCY. Formerly the art of divining by the air, but now used for foretelling the changes in the weather, either by experience or by instruments.
AEROMETRY. The science of measuring the air, its powers, pressure, and properties.
ÆSTIVAL. Belonging to summer; the solstitial point whereby the sun's ascent above the equator is determined.