Assyro-|əˈsɪrəʊ|comb. form of Assyrian a., as Assyro-Babyloniana., of or pertaining to both Assyria and Babylonia; spec. designating an ancient Semitic language of Mesopotamia; hence as n., = Akkadian n. 1.1835[see Medo-].1888A. H. Sayce Hittites ii. 22 A large collection of clay tablets..in the Assyro-Babylonian language.1932W. L. Graff Lang. xi. 400 The only East Semitic language known is Akkadian, which was spoken in Ancient Babylonia and Assyria and is therefore sometimes called Assyro-Babylonian.1952O. R. Gurney Hittites iii. 82 The Hittite and Assyro-Cappadocian texts.