Pronunciation: (prin'su-pu, -pā"; Port. prēn'sē-pu), [key]
an island in the Gulf of Guinea, off the W coast of Africa: one of the two chief components of the Democratic Republic of São Tomé and Príncipe. 4305; 54 sq. mi. (140 sq. km). Also,Prin'ci•pe.Formerly, Prince's Island.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.