Definition of Madreporaria in US English:

Madreporaria

Zoology
  • another term for Scleractinia
    • ‘Madreporaria have greatly variable shapes widely depending on the physical and chemical conditions of the environment.’
    • ‘Madreporaria are closely related to the Actiniaria (the common sea anemone), but unlike the latter, they produce a calcium carbonate skeleton and have less developed muscles and ciliated body walls.’

Origin

Modern Latin (plural), from Madrepora (genus name), from Italian, probably from madre ‘mother’, with reference to the prolific growth of the coral.

Pronunciation

Madreporaria

/ˌmadrəpəˈre(ə)rēə/