cay

from WordNet (r) 3.0 (2006)

cay
    n 1: a coral reef off the southern coast of Florida [syn: {key},
         {cay}, {Florida key}]

from The Collaborative International Dictionary of English v.0.48

Cay \Cay\, n.
   See {Key}, a ledge.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

20 Moby Thesaurus words for "cay":
      ait, archipelago, atoll, bar, continental island, coral head,
      coral island, coral reef, holm, insularity, island, island group,
      islandology, isle, islet, key, oceanic island, reef, sandbank,
      sandbar

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