Pronunciation: (gē-an'u, gē-ä'nu), [key]
an overseas department of France, on the NE coast of South America: formerly a French colony. 49,200; 35,135 sq. mi. (91,000 sq. km). Cap.: Cayenne.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.