/ Dictionary / Index G Guinea-Bissau: Meaning and Definition of Find definitions for: Guin•ea-Bis•sau Pronunciation: (gin'ē-bi-sou'), [key] — n. a republic on the W coast of Africa, between Guinea and Senegal: formerly a Portuguese overseas province; gained independence in 1974. 600,000; 13,948 sq. mi. (36,125 sq. km). Cap.: Bissau. Formerly, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: guinea-bissau (Thesaurus) Guinea Guinea corn Related Content Daily Word Quiz: loquacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language