Pronunciation: (gä'nu, gan'u),[key] —n. 1. a republic in West Africa comprising the former colonies of the Gold Coast and Ashanti, the protectorate of the Northern Territories, and the U.N. trusteeship of British Togoland: member of the Commonwealth of Nations since 1957. 8,559,313; 91,843 sq. mi. (237,873 sq. km). Cap.: Accra.
2. Kingdom of, a medieval W African empire extending from near the Atlantic coast almost to Timbuktu; flourished from about the 9th to 12th centuries.