Madreporic

{ Mad`re*po"ri*an (?), Mad`re*po"ric (?), } a. (Zoöl.) Resembling, or pertaining to, the genus Madrepora.

Madreporic plate (Zoöl.), a perforated plate in echinoderms, through which water is admitted to the ambulacral tubes; -- called also madreporic tubercule.