Definition of Niger in English:


proper noun

  • 1A river in northwestern Africa that rises on the northeastern border of Sierra Leone and flows northeast and then southeast in a great arc for 2,550 miles (4,100 km) to Mali and through western Niger and Nigeria before turning south into the Gulf of Guinea.

  • 2A landlocked country in West Africa, on the southern edge of the Sahara Desert; population 19,900,000 (estimated 2015); capital, Niamey; languages, French (official), Hausa, and other West African languages.