mpong·we \ə̇mˈpäŋ(ˌ)wā\noun (pluralmpongweormpongwes) Usage: usually capitalized 1. a.: a people of the southern part of French Equatorial Africa just north of the equator and distributed chiefly about the estuary of the Gabon river b.: a member of such people 2.: a Bantu language of the Mpongwe people