Lewis & Short

Mĕtaurus, i, m., = Μέταυρος, the name of several rivers.

  1. I. A river in Umbria, celebrated for the defeat of Hasdrubal, the brother of Hannibal, now Meturo, Liv. 27, 43 sq.; Sil. 8, 486.
    Hence, Mĕtau-rus, a, um, adj., of Metaurus: Metaurum flumen, Hor. C. 4, 4, 38.
  2. II. A river in the Bruttian territory, now Marro, Plin. 3, 5, 10, § 73.