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.
Official name, Brunei Da·rus·sa·lam /ˌdɑrusɑˈlɑm/Show Spelled[dah-roo-sah-lahm]Show IPA.