Lewis & Short

Sĭlărus, i, m., = Σίλαρις, a river forming the boundary between Lucania and Campania, now Sele, Plin. 3, 5, 9, § 70 (al. Silerus) sq.; 2, 103, 106, § 226; Verg. G. 3, 146; Sil. 8, 582.
Also called Silerus, Mel. 2, 4, 9; and Siler, Luc. 2, 426; Col. poët. 10, 136.