matron

Etymology

From Middle English matrone, from Old French matrone, from Latin mātrōna (“married woman”), from māter (“mother”). Doublet of matrona.

noun

1. A mature or elderly woman.
2. A wife or a widow, especially, one who has borne children.
3. A woman of staid or motherly manners.
4. A housekeeper, especially, a woman who manages the domestic economy of a public institution.
5. A senior female nurse in an establishment, especially a hospital or school.
   the matron of a school or hospital
6. (US) A female prison officer.