/ Thesaurus / O Synonyms of order alcyonaria Find synonyms for: Noun1. Alcyonaria, order Alcyonaria, animal orderusage: corals and sea anemones having eight branchesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language