From The Collaborative International Dictionary of English v.0.48 [gcide]:
Madreporaria \Mad`re*po*ra"ri*a\, n. pl. [NL. See Madrepore.]
(Zool.)
An extensive division of Anthozoa, including most of the
species that produce stony corals. See Illust. of Anthozoa.
-- Mad`re*po*ra"ri*an, a. & n.
[1913 Webster]
From The Collaborative International Dictionary of English v.0.48 [gcide]:
Anthozoa \An`tho*zo"a\, n. pl. [NL., fr. Gr. 'a`nqos flower + ?
animal.] (Zool.)
The class of the C[oe]lenterata which includes the corals and
sea anemones. The three principal groups or orders are
Acyonaria, Actinaria, and Madreporaria.
[1913 Webster]
From WordNet (r) 3.0 (2006) [wn]:
Madreporaria
n 1: stony corals [syn: Madreporaria, order Madreporaria]