mergus serrator mergus merganser americanus • meriah · · · Info · Definitions · Synonyms · Characters · · mergus serrator · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) widely distributed merganser of America and Europe. Synonyms: red-breasted merganser, Mergus serrator. · · Noun Definition 1 Synonyms · · · red-breasted merganser · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075