(nautical) A two-masted vessel, square-rigged on both foremast and mainmast / (US) A jail or guardhouse, especially in a naval military prison or jail on a ship, navy base, or (in fiction) spacecraft.

(Scotland, Northern Ireland, Northern England) Bridge.

Brigadier.

Abbreviation of brigadier.

plural of brig

(Irish mythology) In the Ulster Cycle of Irish mythology, the wife of Celtchar. Her husband Celtchar killed Blaí Briugu for sleeping with her as Blaí Briugu was required to do so by the latter's geas.

(nautical) A two-masted sailing ship which has square sails on the foremast combined with a schooner rig on the mainmast (triangular topsail over a gaff mainsail).

Abbreviation of brigadier general.

(nautical) A small two-masted vessel during the Age of Sail, typically carrying 12 guns, comprising two long guns in the chase position and ten carronades on the broadsides.

(US, military, slang) Somebody who has spent time in the brig; an offender in the military.