great barrier reef great barracuda • great bear · · · Info · Definitions · Characters · · great barrier reef · · Text Common · · Latin · · Scripts 18 · · Length 6 · · Syllables Definitions · · · (noun) the largest coral reef in the world; in the Coral Sea off the northeastern coast of Australia. Synonyms: Great Barrier Reef. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 f latin small letter f U+0066 g latin small letter g U+0067 i latin small letter i U+0069 r latin small letter r U+0072 t latin small letter t U+0074