Cydnŏs or Cydnus, i, m., = Κύδνος, a river in Cilicia, famed for its cold and tonic waters, now Kara-Su or Tersustschai, Mel. 1, 13, 1; Plin. 5, 27, 22, § 92; Cic. Phil. 2, 11, 26; Vitr. 8, 3, 6; Curt. 3, 4, 7 sq.; 3, 5, 1 sqq.; Tib. 1, 7, 13 al.