1. Trĕbĭa, ae, m., = Τρεβίας, ὁ (sc. ποταμός), a river in Upper Italy, celebrated for Hannibal’s victory over the Romans, now Trebbia, Liv. 21, 52 sq.; Flor. 2, 6, 12; Luc. 2, 46; Sil. 4, 495; 4, 645; 6, 707; 9, 189.