- vast semiarid region in NC Africa, south of the Sahara, extending from the Atlantic to the Red Sea
- country in the E part of this region, south of Egypt: formerly a British & Egyptian condominium called Anglo-Egyptian Sudan, it became an independent republic in 1956: 728,215 sq mi (1,886,068 sq km); cap. Khartoum
- A region of northern Africa south of the Sahara and north of the equator. It extends across the continent from the Atlantic coast to the mountains of Ethiopia.
- A country of northeast Africa south of Egypt. Northern Sudan formed part of the ancient kingdoms of Nubia and Cush. Conquered by Egypt in 1820–1822 and jointly administered by Great Britain and Egypt after 1899, Sudan achieved independence in 1956. Khartoum is the capital and Omdurman is the largest city. In 2011, the southern part of the country seceded, forming the republic of South Sudan.
- Country in Northeast Africa. Official name: Republic of the Sudan.
- Often used with the definite article "the".
- A climatic zone characterized by savannas and mosaic forests running in a belt just south of the Sahel in West and East Africa
- (historical) Mali (when it was under French colonial rule as Soudan).
From Arabic Ø§Ø³ÙˆØ¯ (“black man"), plural Ø³ÙˆØ¯Ø§Ù† (sudÃ¡:n).