coral reef

coral reef
    n 1: a reef consisting of coral consolidated into limestone
    

49 Moby Thesaurus words for "coral reef":
      ait, archipelago, atoll, bank, bar, bill, breakwater, cape, cay,
      chersonese, continental island, coral head, coral island, delta,
      flat, ford, foreland, head, headland, holm, hook, insularity,
      island, island group, islandology, isle, islet, key, mull, naze,
      ness, oceanic island, peninsula, point, promontory, reef, sandbank,
      sandbar, sandspit, shallow, shallows, shelf, shoal, shoal water,
      spit, spur, tidal flats, tongue, wetlands