— Nigerien /nuy jear'ee en"/ , adj. , n.
/nuy"jeuhr/ ; Fr. /nee zherdd"/ , n.
1. a republic in NW Africa: formerly part of French West Africa. 9,388,359; 458,976 sq. mi. (1,188,748 sq. km). Cap.: Niamey.
2. a river in W Africa, rising in S Guinea, flowing NE through Mali, and then SE through Nigeria into the Gulf of Guinea. 2600 mi. (4185 km) long. See map on next page.