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Meaning of alcyonarian

al•cy•o•nar•i•an

Pronunciation: (al"sē-u-nâr'ē-un), [key]
— n.
  1. any anthozoan coelenterate of the subclass Alcyonaria, as corals and sea anemones, having the tentacles and other body parts in branches or segments of eight.
—adj.
  1. belonging or pertaining to the Alcyonaria.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.