madreporite

from The Collaborative International Dictionary of English v.0.48

Madreporite \Mad"re*po*rite\, n. [Cf. F. madr['e]porite]
   1. (Paleon.) A fossil coral.
      [1913 Webster]

   2. (Zool.) The madreporic plate of echinoderms.
      [1913 Webster]