'Madreporarian' definitions:
Definition of 'Madreporarian'
- 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]