a beautiful youth of Oechalia (or Argos ), companion of Hercules in the Argonautic expedition , who was carried off by the nymphs , and long sought for by Hercules in vain , Prop. 1, 20, 6; Ov. A. A. 2, 110; Juv. 1, 164; Val. Fl. 3, 596; Hyg.Fab. 14; Verg.E. 6, 44 (where, by poet. license, the voc. is scanned Hylā, Hȳl', like the Gr. Ἆρες, Ἄρες, Mart. 9, 11, 15).