MADREPORIAN; MADREPORIC
Mad`re*po"ri*an, Mad`re*po"ric, a. (Zoöl.)

Defn: 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.

MADREPORIFORM
Mad`re*po"ri*form, a. Etym: [Madrepore + -form.] (Zoöl.)

Defn: Resembling a madreporian coral in form or structure.

MADREPORITE
Mad"re*po*rite, n. Etym: [Cf. F. madréporite]

1. (Paleon.)

Defn: A fossil coral.

2. (Zoöl.)

Defn: The madreporic plate of echinoderms.

MADRIER Ma*drier", n. Etym: [F., from Sp. madero, or Pg. madeiro, fr. Sp. madera wood for building, timber, Pg. madeira, L. materia stuff, materials, lumber. See Matter.]