1 alcyonarian | Definition of alcyonarian

alcyonarian

noun
al·​cy·​o·​nar·​ian | \ ËŒal-sÄ“-É™-ˈner-Ä“-É™n How to pronounce alcyonarian (audio) \

Definition of alcyonarian

: any of a subclass (Alcyonaria) of colonial anthozoans (such as the sea pens) having polyps with eight branched tentacles and eight septa

First Known Use of alcyonarian

1861, in the meaning defined above

History and Etymology for alcyonarian

ultimately from Greek alkyoneion, a zoophyte, from neuter of alkyoneios of a kingfisher, from alkyon kingfisher; from its resemblance to a kingfisher's nest

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