great blue heron great black-backed gull • great blue shark · · · Info · Definitions · Synonyms · Characters · · great blue heron · · Text Common · · Latin · · Scripts 16 · · Length 4 · · Syllables Definitions · · · (noun) large American heron having bluish-grey plumage. Synonyms: great blue heron, Ardea herodius. · · Noun Definition 1 Synonyms · · · ardea herodius · · Synonym 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 g latin small letter g U+0067 h latin small letter h U+0068 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075