Lewis & Short

Phīneus, ĕi and ĕos (Gr. acc. plur. Phineas, Mart. 9, 26, 10), m., = Φινεύς.

  1. I. King of Salmydessus, in Thrace. He possessed the gift of prophecy, but was struck with blindness for having deprived his sons of sight, upon a false accusation made against them by Idœa, their step-mother, Ov. M. 7, 3; Val. Fl. 4, 425; Hyg. Fab. 19; Serv. Verg. A. 3, 209; Ov. A. A. 1, 339; id. R. Am. 355.
      1. 2. Transf., a blind man, Mart. 9, 26, 10.
        Hence,
    1. B. Phīnēï-us and Phīnēus, a, um, adj., of or belonging to Phineus, Phinean: Phineïa domus, Verg. A. 3, 212: guttur, Ov. F. 6, 131: Phineum venenum, Petr. 136: aves, the Harpies, Sen. Thyest. 154.
      1. 2. Phīnī-des, ae, m., a male descendant of Phineus, Ov. Ib. 273.
  2. II. Brother of Cepheus, who fought with Perseus about Andromeda, and was changed by him into a stone, Ov. M. 5, 8.