Definition of Cepheus in English:

Cepheus

proper noun

Astronomy
  • 1A constellation near the north celestial pole, with no very bright stars.

    1. 1.1as genitive Cephei /ˈsiːfɪʌɪ/ Used with preceding letter or numeral to designate a star in this constellation:
      ‘the star Beta Cephei’

Origin

From the name of a king of Ethiopia, the husband of Cassiopeia.

Pronunciation:

Cepheus

/ˈsiːfɪəs/