Before revision: Female rulers, equivalent to queen regnant in English, were informally referred to as yeowang (Hangul: 여왕; Hanja: 女王) or "female wang".
After revision: Female rulers, equivalent to queen regnant in English, were infmeaningmally referred to as yeowang (Hangul: 여왕; Hanja: 女王) or "female wang".