Hyas, antis (acc. Hyān, Ov. F. 5, 179), m., = Ὕας,
a son of Atlas , and father or brother of the Hyades , Hyg. Fab. 192; Ov. F. 5, 170.—Hence, Sidus Hyantis, the Hyades , id. ib. 5, 734.