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brig,two-masted sailing vessel, square-rigged on both masts. Brigs have been used as cargo ships and also, in the past, as small warships carrying about 10 guns. They vary in length between 75 and 130 ft (23–40 m), with tonnages up to 350. A brigantine is a somewhat smaller two-masted vessel, square-rigged on the foremast but with a fore-and-aft mainsail. In earlier times it carried a square topsail on the mainmast. A hermaphrodite brig is identical with the brigantine except that it carries no topsail on its mainmast; most U.S. brigs since 1860 have actually been of this type.
Brig(brēk), Fr. Brigue, town, Valais canton, S Switzerland, on the Rhône River, at the north entrance of the Simplon Tunnel. Although it has a noted 17th-century palace, Brig is primarily known as the junction of the Simplon, Lötschberg, and Furka rail lines. The primary economic activity of the town is tourism.
A unit to express the ratio of two quantities, as a logarithm to the base 10; that is, a ratio of 10 x is equal to x brig; it is analogous to the bel, but the latter is restricted to power ratios. Also known as dex.
Nautical a two-masted square-rigger