I.a village in Umbria, now Trevi, Arn. 3, 122.—Hence,
A. Trĕ-bĭānus , a, um, adj., of or belonging to Trebia, Trebian: “ager,” Liv. 23, 14, 13: “di,” Arn. 3, 126.—In plur. subst.: Trĕbĭāni , ōrum, m., the inhabitants of Trebia, Suet. Tib. 31.—
B. Trĕbĭātes , um, m., the inhabitants of Trebia, Plin. 3, 14, 19, § 114.