madrepore

English Thesaurus

1. corals having calcareous skeletons aggregations of which form reefs and islands (noun.animal)

hypernym	:	coral,
definition	:	marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs (noun.animal)

hyponym	:	brain coral,
definition	:	massive reef-building coral having a convoluted and furrowed surface (noun.animal)

hyponym	:	stag's-horn coral, staghorn coral,
definition	:	large branching coral resembling antlers (noun.animal)

hyponym	:	mushroom coral,
definition	:	flattened disk-shaped stony coral (usually solitary and unattached) (noun.animal)

member meronym	:	madreporaria, order madreporaria,
definition	:	stony corals (noun.animal)