alcyonarian

noun
al·​cy·​o·​nar·​ian | \ˌal-sē-ə-ˈner-ē-ən \

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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Dictionary Entries near alcyonarian

alcyon

Alcyonacea

Alcyonaria

alcyonarian

Alcyone

Alcyones

Alcyoniaceae

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The first known use of alcyonarian was in 1861

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