Source : Webster's Revised Unabridged Dictionary (1913)

Madrepora \Mad`re*po"ra\, n. [NL. See {Madre?ore}.] (Zo["o]l.)
   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.