noun
corals having calcareous skeletons aggregations of which form reefs and islands
• Syn: ↑stony coral, ↑madrepore
• Hypernyms: ↑coral
• Hyponyms: ↑brain coral, ↑staghorn coral, ↑stag's-horn coral, ↑mushroom coral
• Member Holonyms: ↑Madreporaria, ↑order Madreporaria
Useful english dictionary. 2012.