Assyria Syllabification: (As·syr·i·a)Pronunciation: /əˈsi(ə)rēə/Translate Assyria | into Italian Definition of Assyria an ancient country in what is now northern Iraq. From the early part of the 2nd millennium bc, Assyria was the center of a succession of empires. Assyria in other Oxford dictionaries Definition of Assyria in the British & World English dictionary