Halcyon describes an idealized, idyllic or peaceful time.(adjective)
An example of something you would describe as halcyon is the long, lazy and peaceful days of summer vacation.
The definition of a halcyon is a bird, which legends say, has the power to calm the winter sea.(noun)
A halcyon is a kingfisher from Southern Asia and Australia.
See halcyon in Webster's New World College Dictionary
Origin: ME alcioun < L alcyon < Gr alkyōn, kingfisher, altered by folk etym. after Gr hals, sea
See halcyon in American Heritage Dictionary 4
Origin: Middle English alcioun
Origin: , from Latin alcyōn, halcyōn
Origin: , from Greek halkuōn, a mythical bird, kingfisher
Origin: , alteration (influenced by hals, salt, sea, and kuōn, conceiving)
Origin: of alkuōn.
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