Definition of atoll an island consisting of a circular coral reef surrounding a lagoon. Try solving our online crossword puzzles! Submit a new word or definition. The synonyms have been arranged depending on the number of charachters so that they're easy to find. If your word has any anagrams, they'll be listed too along with a definition for the word if we have one.
Regards, The Crossword Solver Team. Annular coral reef 5.
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