Guinea-Bissau
geographical nameGuin·ea-Bis·sau | \ ˌgi-nē-bi-ˈsau̇ 
\
\variants:
or formerly Portuguese Guinea
Definition of Guinea-Bissau
republic in western Africa south of Senegal; until 1974 a Portuguese colony; capital Bissau area 13,948 square miles (36,125 square kilometers), population 1,833,000
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