Is “Halcyon” a Scrabble word?
Yes
HALCYON
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Halcyon
/ˈhælsiːən/
noun
1.A kingfisher said in classical mythology to nest on the sea, thereby calming the waters.
2.A tropical kingfisher of the genus Halcyon, such as the sacred kingfisher (Halcyon sancta) of Australia.
adjective
1.Pertaining to the halcyon or kingfisher.
2.Calm, undisturbed, peaceful, serene.
Synonyms: at peace, blissful, calm, peaceful, prelapsarian, relaxed