Pronunciation: (sOO-dan'),[key] —n. 1. a region in N Africa, S of the Sahara and Libyan deserts, extending from the Atlantic to the Red Sea.
2. Republic of the. Formerly, Anglo-Egyptian Sudan. a republic in NE Africa, S of Egypt and bordering on the Red Sea: a former condominium of Egypt and Great Britain. 16,400,000; 967,500 sq. mi. (2,505,825 sq. km). Cap.: Khartoum.