Pronunciation: (ē'jipt),[key] —n. 1. Arab Republic of. a republic in NE Africa. 39,600,000; 386,198 sq. mi. (1,000,252 sq. km). Cap.: Cairo. Arabic, Misr. Formerly (1958–71), United Arab Republic. 2. an ancient kingdom in NE Africa: divided into the Nile Delta (Lower Egypt) and the area from Cairo S to the Sudan (Upper Egypt).