Cēphīsus (-os) or Cēphissus, i, m., = Κηφῖσις or Κηφισσός. A river in Phocis and Baeotia, now Cephisso, Gaurio, or Gerios, Ov. M. 3, 19; Stat. Th. 7, 349; Luc. 3, 175; Plin. 4, 7, 12, §§ 26 and 27; as river-god, father of Narcissus, Ov. M. 3, 343; Stat. Th. 7, 340.

— Hence, Cēphīsius or Cēphissi-us, i, m., = Narcissus, Ov. M. 3, 351.

— Cē-phīsis or Cēphissis, idis, adj. fem., of Cephisus: undas, Ov. M. 1, 369.

— A river on the west side of Athens, emptying into the Saronic Gulf, Ov. M. 7, 388.

— Hence, Cēphīsia, ae, f., name of a small district of Altica, abounding in springs, Gell. 1, 2, 2; 18, 10, 1; and of a fountain, Plin. 4, 7, 11, § 24.

— Cēphīsias (Cēphissias), adis, adj. fem., of Cephisus: ora, the banks of the Attic Cephisus, where Procrustes had his abode, Ov. M. 7, 438.