Atoll \A*toll"\, n. [The native name in the Indian Ocean.]
   A coral island or islands, consisting of a belt of coral
   reef, partly submerged, surrounding a central lagoon or
   depression; a lagoon island.
   [1913 Webster]

	

	atoll
    n 1: an island consisting of a circular coral reef surrounding a
         lagoon

	

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

	

	Acceptance, Test Or Launch Language
ATOLL

    (ATOLL) The language used for automating the
   checking and launch of Saturn rockets.

   ["SLCC ATOLL User's Manual", IBM 70-F11-0001, Huntsville AL
   Dec 1970].

   (2000-04-03)