\Mad`re*po"ri*an\, Madreporic \Mad`re*po"ric\, a.
(Zo["o]l.)
Resembling, or pertaining to, the genus Madrepora.
{Madreporic plate} (Zo["o]l.), a perforated plate in
   echinoderms, through which water is admitted to the
   ambulacral tubes; -- called also {madreporic tubercule}.