Cĭŏs, i, m.
I A river in Bithynia , Plin. 5, 32, 40, § 144.—
II A town at the mouth of the river Cios , now Ghio or Ghemlio , Liv. 32, 34, 4; Mel. 1, 19, 4; Plin. l. c. v. Ciani.