Lewis Short
(adjective) : Mĕtaurensis, e, Metaurus
* Of or belonging to the river Metaurus, in Umbria: AGER, Inscr. Oliv. Marm. Pisaur. n. 30.—Subst.: Mĕtaurenses, ĭum, m., the inhabitants of that region, Metaurians, Plin. 3, 14, 19, § 114.
Charlton T. Lewis, Charles Short, A Latin Dictionary