Looking for the meaning or definition of the word halcyon? Here's what it means.
Noun
In classical legends, a bird said to nest on the sea, thereby calming the waters; later usually identified with a type of kingfisher, hence (poetic) a kingfisher.
A tropical kingfisher of the genus Halcyon, such as the sacred kingfisher Halcyon sancta of Australia.
Adjective
Pertaining to the halcyon or kingfisher. (Can we add an example for this sense?)