Any of different stony corals of the purchase Madreporaria, including the reef builders of tropical seas.
A coral for the order Madreporaria
Any stony coral.
Any coral of this genus Madrepora, a team of corals having calcareous skeletons aggregations that form reefs and islands; formerly, frequently put on any stony red coral.
An animal, or a coral, of the genus Madrepora or family Madreporidœ; the polypite or the polypidom of a perforate madreporarian: a name loosely extended to any stone-coral with madre poriform cavities or openings.
corals having calcareous skeletons aggregations that type reefs and islands