Pronunciation: (ga-bôn'),[key] —n. 1. Official name, Gab'onese Repub'lic. a republic in W equatorial Africa: formerly a part of French Equatorial Africa; member of the French Community. 950,000; 102,290 sq. mi. (264,931 sq. km). Cap.: Libreville.
2. an estuary in W Gabon. ab. 40 mi. (65 km) long. Also,Gabun.