rich; wealthy; prosperous: halcyon times of peace.
happy; joyful; carefree: halcyon days of youth.
of or pertaining to the halcyon or kingfisher.
—n.
a mythical bird, usually identified with the kingfisher, said to breed about the time of the winter solstice in a nest floating on the sea, and to have the power of charming winds and waves into calmness.
any of various kingfishers, esp. of the genus Halcyon.