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）.

mathematically, mathematician, mathematics, maths, matinee, matinee (US also matinee), mating, matins (also mattins), matri-, matriarch, matriarchal, matriarchy, matrices, matricide, matriculate, matriculation, matrimonial, matrimony, matrix, matrix printer, matron of honour, matronly, matt, mat (US also matte), matter, matter of fact, matter-of-fact, matter-of-factly, Matterhorn, matting, mattins, mattock, mattress, maturation, mature, maturely, maturity, maudlin, maul, maulstick, maunder,