(Κύλλαρος), a beautiful centaur, who was married to Hylonome, and was killed at the wedding feast of Peirithous. (Ov. Met. 12.393, &c.) The horse of Castor was likewise called Cyllarus. (Verg. G. 3.90; V. Fl. 1.426; Suidas, s. v.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890