<p><strong>Noun</strong></p><ul><li>Formerly Abyssinia.</li><li>A republic in East Africa: formerly a monarchy.</li><li>409,266 sq. mi. (1,060,000 sq. km). Present boundaries include Eritrea: Addis Ababa.</li><li>Also called Abyssinia: an ancient region in NE Africa, bordering on Egypt and the Red Sea.</li></ul>