Tīthōnus or -nos, i, m., = Τιθωνός, son of Laomedon, consort of Aurora, and father of Memnon; endowed with immortality, and changed at last, after reaching a decrepit old age, into a cicada, Cic. Sen. 1, 3; Verg. A. 4, 585; Ov. F. 6, 473; Hor. C. 2, 16, 30; 1, 28, 8: Tithoni conjux, Ov. H. 17 (18), 111.

—Hence, Tīthōnius, a, um, adj., of or belonging to Tithonus, Tithonian: conjux, i. e. Aurora, Ov. F. 3, 403.

—Called also, absol.: Tīthōnia, Ov. F. 4, 943; Val. Fl. 1, 311; 3, 1; Stat. Th. 12, 3: senectus, id. S. 4, 3, 151.

— Tīthōnaeus, a, um, adj., of or belonging to Tithonus: Memnon, Avien. Perieg. 368.

— Tīthōnis, idis, f., the wife of Tithonus, i. e. Aurora, Stat. S. 5, 1, 34.