matron
n
1 woman who manages the domestic affairs of a school, etc 女舍监; 女总管.
2 (formerly) woman in charge of the nurses in a hospital (now called a senior nursing officer) (旧时)护士长(现称senior nursing officer).
3 middle-aged or elderly married woman, esp one with a dignified appearance (已婚的)中老年妇女(尤指仪表庄重者).