Lewis & Short

† 1. cȳ̆cnus (in MSS. and edd. freq. also cȳ̆gnus; y, Hor. C. 4, 3, 20; Aus. Ep. 20, 8), i, m., = κύκνος, the swan; celebrated for its singing, esp. for its dying song; consecrated to Apollo, Cic. Tusc. 1, 30, 73; Plin. 10, 23, 32, § 63; Lucr. 4, 181; 4, 910; Verg. E. 7, 38; id. A. 1, 393; Ov. M. 5, 387; Hor. C. 4, 3, 20 et saep.; attached to the chariot of Venus, Ov. M. 10, 708; id. A. A. 3, 809.

      1. b. Prov.: quid contendat hirundo cycnis? Lucr. 3, 7; so also: certent cycnis ululae, Verg. E. 8, 55.
  1. B. Meton., for a poet: Dircaeus, i. e. Pindar, Hor. C. 4, 2, 25.

2. Cȳ̆cnus (Cȳ̆g-), i, m.

    1. A. A king of the Ligurians, son of Sthenelus, related to Phæton, who was changed to a swan and placed among the stars, Ov. M. 2, 367; Verg. A. 10, 189; cf. Hyg. Fab. 154; id. Astr. 3, 7.
    2. B. A son of Neptune and Calyce; he was father of Tenes, and was changed into a swan, Ov. M. 12, 72 sq., cf. Hyg. Fab. 157.‡ † cydărum, i, n., = κύδαρος, a sort of ship, acc. to Gell. 10, 25, 5.