dowager
noun [ C ] uk/ˈdaʊə.dʒər/ us/ˈdaʊə.dʒɚ/
law specialized（继承了亡夫头衔和财产的）寡居贵妇
a woman of high social rank whose husband is dead but who has a title and property because of her marriage to him
a dowager queen 寡居的王后
literary贵妇人;气度不凡的老妇人
an old woman who is, or behaves as if she is, of high social rank