Cetus, ceti, m. g. Plin. A whale or any other monstruous great fish. Cere immania, apud Virgilium, Great whales.Scopulosa cete.Stat.
Lewis and Short: Latin dictionary
Cēto, ūs, f., = *khtw/. I.The wife of Phorcus, and mother of Medusa and the Gorgons, Luc. 9, 646.—II.A Nereid, honored upon the Phœnician coast, Plin. 5, 13, 14, 69.
cētus, i, m. (acc. to the Gr. cētŏs, n., Plin. 32, 1, 4, 10; and hence common in the plur. cētē = kh/th, Verg. A. 5, 822; Plin. 9, 24, 40, 78; 9, 50, 74, 157; Sil. 7, 476), = kh=tos, any large sea-animal, a seamonster; particularly a species of whale, a shark, dog-fish, seal, dolphin, etc., Plin. l. l.; Plaut. Aul. 2, 8, 5; id. Capt. 4, 2, 72; Cels. 2, 18.—II. As a constellation, the Whale, Vitr. 9, 7; Manil. 1, 612.