stony coral

Definitions of stony coral
  1. noun
    corals having calcareous skeletons aggregations of which form reefs and islands
    synonyms: madrepore, madriporian coral
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    brain coral
    massive reef-building coral having a convoluted and furrowed surface
    stag's-horn coral, staghorn coral
    large branching coral resembling antlers
    mushroom coral
    flattened disk-shaped stony coral (usually solitary and unattached)
    type of:
    marine colonial polyp characterized by a calcareous skeleton; masses in a variety of shapes often forming reefs
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