- a city in and the capital of the Sudan, at the junction of the White and Blue Nile rivers: besieged 1885; retaken by the British 1898.
- a region in N Africa, S of the Sahara and Libyan deserts, extending from the Atlantic to the Red Sea.
- 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. 967,500 sq. mi. (2,505,825 sq. km). Capital: Khartoum.
- the capital of the Sudan, at the junction of the Blue and the White Nile: with adjoining Khartoum North and Omdurman, the largest conurbation in the country; destroyed by the Mahdists in 1885 when General Gordon was killed; seat of the Anglo-Egyptian government of the Sudan until 1954, then capital of the new republic. Pop: 4 495 000 (2005 est)
- a republic in NE Africa, on the Red Sea: conquered by Mehemet Ali of Egypt (1820–22) and made an Anglo-Egyptian condominium in 1899 after joint forces defeated the Mahdist revolt; became a republic in 1956; a lengthy civil war between separatists in the mainly Christian south and the government resulted in independence for South Sudan following a referendum in 2011. It consists mainly of a plateau, with the Nubian Desert in the north. Official language: Arabic. Official religion: Muslim; there are Christian and animist minorities. Currency: Sudanese pound or Sudani (replacing the Sudanese dinar in 2007). Capital: Khartoum. Pop: 34 847 910 (2013 est). Area: 1 861 484 sq km (718 723 sq miles)Former name (1899–1956): Anglo-Egyptian Sudan French name: Soudan
- the Sudan a region stretching across Africa south of the Sahara and north of the tropical zone: inhabited chiefly by Negroid tribes rather than Arabs
1842, from Arabic Bilad-al-sudan, literally “country of the blacks,” from sud, plural of aswad (fem. sauda) “black.”
Republic in northeastern Africa, bordered on the north by Egypt (see also Egypt); on the east by the Red Sea and Ethiopia; on the south by Kenya, Uganda, and Democratic Republic of Congo; and on the west by the Central African Republic, Chad, and Libya. Its capital is Khartoum, and its largest city is Omdurman.