lagoon lagonite • lagoonal · · · Info · Definitions · Synonyms · Characters · · lagoon · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a body of water cut off from a larger body by a reef of sand or coral. Synonyms: laguna, lagune. · · Noun Definition 1 Synonyms · · · laguna · · Synonym 1 lagune · · Synonym 2 Characters · · a latin small letter a U+0061 g latin small letter g U+0067 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F