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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