- a third-magnitude star in the constellation Taurus: brightest star in the Pleiades.
- Also Halcyon, Halcyone. Classical Mythology. a daughter of Aeolus who, with her husband, Ceyx, was transformed into a kingfisher.
noun Greek myth
- Also called: Halcyone the daughter of Aeolus and wife of Ceyx, who drowned herself in grief for her husband’s death. She was transformed into a kingfisherSee also Ceyx
- the brightest star system in the Pleiades, located in the constellation Taurus