Definition of Cetus in English:

Cetus

proper noun

Astronomy
  • 1A large northern constellation (the Whale), said to represent the sea monster that threatened Andromeda. It contains the variable star Mira.

    1. 1.1as genitive Ceti /ˈsētē/ Used with preceding letter or numeral to designate a star in the constellation Cetus.
      ‘the star Tau Ceti’

Origin

Latin.

Pronunciation

Cetus

/ˈsēdəs/