Madreporaria

plural noun
Mad·​re·​po·​rar·​ia | \ˌmadrəpəˈra(a)rēə, məˌdrep-\

Definition of Madreporaria 

: an extensive order of Anthozoa including most species that produce stony corals and that resemble the actiniarians in the general structure of the soft parts but that usually form colonies and always have an ectodermal calcareous skeleton

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Other Words from Madreporaria

madreporarian \¦madrəpə¦ra(a)rēən, mə¦drep-​ \ adjective or noun

History and Etymology for Madreporaria

New Latin, from Madrepora + -aria

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