Lewis & Short

Tĭtyos, yi, m., = Τιτυός, a giant, son of Jupiter, slain by Apollo with arrows for his attempt on the chastity of Latona; and, as a further punishment, as he lay in the infernal regions stretched out over a space of nine jugera, a vulture kept feeding on his liver, which was as constantly reproduced, Lucr. 3, 992 sq.; Verg. A. 6, 595; Prop. 3, 5, 44; Tib. 1, 3, 75; Ov. M. 4, 457; id. P. 1, 2, 41; Hor. C. 4, 6, 2; 3, 11, 21.