Definition of Cassiopeia
1 Greek Mythology the wife of Cepheus, king of Ethiopia, and mother of Andromeda.
2 Astronomy a constellation near the north celestial pole, recognizable by the conspicuous “W” pattern of its brightest stars. (as genitive
Cassiopeiae /ˌkasēəˈpē-ē/)
used with a preceding letter or numeral to designate a star in this constellation:the star Delta Cassiopeiae
