mistressKK [ˋmɪstrəs] /ˈmɪstɹəs/發音名詞1情婦、外遇對象He kept a mistress in the city for several years.他在城裡養了情婦好幾年。2女主人The dog waited patiently by the door for its mistress.那隻狗乖乖在門邊等牠的女主人。3能手、高手正式She is a mistress of quiet, understated comedy.她是內斂喜劇的箇中高手。4女教師、女校長英式,舊式The history mistress asked us to hand in our essays.歷史女老師要我們交出作文。