Madrepora \Mad`re*po"ra\ (m[a^]d`r[-e]*p[=o]"r[.a]), n. [NL. See
{Madrepore}.] (Zool.)
A genus of reef corals abundant in tropical seas. It includes
than one hundred and fifty species, most of which are
elegantly branched. -- {Mad`re*po"ral}, a.
[1913 Webster]