CETUS Meaning of CETUS in English /see"teuhs, say"-/ , n., gen. Ceti /see"tuy, say"tee/ . Astron.the Whale, a constellation lying above the equator, containing the variable star Mira. [ ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012