madreporian

enUK

mad·re·pore

M0021500 (măd′rə-pôr′)n. Any of various hard corals of the genus Madrepora or of the order Scleractinia (formerly Madreporaria).
[Italian madrepora : madre, mother (from Latin māter, mātr-; see māter- in Indo-European roots) + -pora (alteration of poro, tufa, pore, from Late Latin porus, passageway; see pore2, or from Latin pōrus, calcareous stone, stalactite, from Greek pōros).]
mad′re·po′ri·an adj.mad′re·por′ic adj.