marchioness
/ˈmɑːʃənɪs/noun
1- the wife or widow of a marquess侯爵夫人（或遗孀）。
1.1
- a woman holding the rank of marquess in her own right女侯爵。
词源
late 16th cent.: from medieval Latin marchionissa, feminine of marchio（n-） 'ruler of a border territory', from marcha 'march' （see MARCH2）.