Definition of Cassiopeia in English:

Cassiopeia

proper noun

  • 1Greek Mythology
    The wife of Cepheus, king of Ethiopia, and mother of Andromeda.

  • 2Astronomy
    A constellation near the north celestial pole, recognizable by the conspicuous ‘W’ pattern of its brightest stars.

    1. 2.1Used with preceding letter or numeral to designate a star in this constellation.
      ‘the star Delta Cassiopeiae’

Pronunciation:

Cassiopeia

/ˌkasɪə(ʊ)ˈpiːə/