plural noun
Al·​cy·​o·​nar·​ia | \ ˌal-sē-ə-ˈner-ē-ə \

Definition of Alcyonaria

: a subclass or order of Anthozoa including chiefly compound coelenterates having polyps with 8-branched tentacles and eight septa and comprising the Stolonifera, Alcyonacea, Gorgonacea, and Pennatulacea

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Other Words from Alcyonaria

alcyonarian \ ˌal-​sē-​ə-​ˈner-​ē-​ən How to pronounce Alcyonaria (audio) \ adjective or noun

First Known Use of Alcyonaria

1840, in the meaning defined above

History and Etymology for Alcyonaria

New Latin, from Alcyonium + -aria

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The first known use of Alcyonaria was in 1840

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Cite this Entry

“Alcyonaria.” Dictionary, Merriam-Webster, Accessed 25 Feb. 2021.

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