ALCYONIUM

ALCYO'NIUM, noun The name of a submarine plant, or bastard spunge. Also a kind of astroit or coral, a fossil found in England.

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‖Al′cy‐o″ni‐um (�), n. [] (Zoöl.) 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.