Sāpis, is, m.,
I a river in Cisalpine Gaul and Umbria , between Ravenna and Ariminum , now the Savio , Plin. 3, 15, 20, § 115; Sil. 8, 450; Luc. 2, 406 (al. Isapis).
II —Hence, Sāpĭnĭus , a, um, adj., of the Sapis , Sapinian : tribus, Liv. 31, 2, 6; 33, 37, 1.