a sultanate under British protection on the NW coast of Borneo: formerly a British protectorate; gained independence 1984. 307,616; 2220 sq. mi. (5750 sq. km). Capital:Bandar Seri Begawan.
(click for larger image in new window) A sultanate of northwest Borneo on the South China Sea. Formerly a self-governing British protectorate, it became fully independent on January 1, 1984. Bandar Seri Begawan is the capital. Population: 375,000. Bru·nei'an adj. & n.