Ivory Coast /ˈaɪvəɹi ˈkoʊst/ noun3 •A country in West Africa. Official names: Republic of Côte d'Ivoire and Côte d'Ivoire.In a continent with a long history of ethnic strife, the Ivory Coast has maintained an open immigration policy. — 1988 •(historical) A region of West Africa on the coast of the Gulf of Guinea in the Atlantic Ocean, now comprising the coast of Côte d'Ivoire. •(historical) A former colony of France in West Africa comprising its trading outposts along the Ivory Coast and its further northern conquests, now the independent state of Côte d'Ivoire.