mummichog mummery • mummick · · · Info · Definitions · Synonyms · Characters · · mummichog · · Text Latin · · Script 9 · · Length Definitions · · · (noun) silver-and-black killifish of saltwater marshes along the Atlantic coast of the United States. Synonyms: Fundulus heteroclitus. · · Noun Definition 1 Synonyms · · · fundulus heteroclitus · · Synonym 1 Characters · · c latin small letter c U+0063 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F u latin small letter u U+0075