Etruria Syllabification: (E·tru·ri·a)Pronunciation: /iˈtro͝orēə/Definition of Etruria an ancient region in western Italy, between the Arno and Tiber rivers, corresponding approximately to modern Tuscany and parts of Umbria. It was the center of the Etruscan civilization. Derivatives Etrurian noun & adjective Etruria in other Oxford dictionaries Definition of Etruria in the British & World English dictionary