an overseas department of France, on the NE coast of South America: formerly a French colony. 35,135 sq. mi. (91,000 sq. km).
Capital: Cayenne.
Related forms
French Guianese, French Guianan, adjective, noun
British Dictionary definitions for French Guiana
French Guiana
noun
1.
a French overseas region in NE South America, on the Atlantic: colonized by the French in about 1637; tropical forests. Capital: Cayenne. Pop: 229 000 (2009 est). Area: about 91 000 sq km (23 000 sq miles)