Niger
geographical nameDefinition of Niger
1
river 2600 miles (4184 kilometers) long in western Africa flowing north from the Fouta Djallon region in Guinea, northeast through Mali, and southeast through Niger, then forming the border between Niger and Benin, and finally flowing southeast then south through Nigeria and into the Gulf of Guinea
2
landlocked country just south of the Tropic of Cancer in western Africa which was a territory of French West Africa until 1958 and is currently a republic; capital Niamey area 459,073 square miles (1,188,999 square kilometers), population 17,138,707