house mouse housemotherly • house mover · · · Info · Definitions · Synonyms · Characters · · house mouse · · Text Common · · Latin · · Scripts 11 · · Length 2 · · Syllables Definitions · · · (noun) brownish-grey Old World mouse now a common household pest worldwide. Synonyms: house mouse, Mus musculus. · · Noun Definition 1 Synonyms · · · mus musculus · · Synonym 1 Characters · · space U+0020 e latin small letter e U+0065 h latin small letter h U+0068 m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 u latin small letter u U+0075