Alcyonic :: Alcyonic (a.) Of or pertaining to the Alcyonaria.
Alcyonium :: Alcyonium (n.) A genus of fleshy Alcyonaria, its polyps somewhat resembling flowers with eight fringed rays. The term was also formerly used for certain species of sponges..
Alcyonoid :: Alcyonoid (a.) Like or pertaining to the Alcyonaria.
Alcyonoid :: Alcyonoid (n.) A zoophyte of the order Alcyonaria.
Halcyon :: Halcyon (n.) A kingfisher. By modern ornithologists restricted to a genus including a limited number of species having omnivorous habits, as the sacred kingfisher (Halcyon sancta) of Australia..
Halcyon :: Halcyon (a.) Pertaining to, or resembling, the halcyon, which was anciently said to lay her eggs in nests on or near the sea during the calm weather about the winter solstice..