A married woman or a widow, especially a mother of dignity, mature age, and established social position.
A woman who acts as a supervisor or monitor in a public institution, such as a school, hospital, or prison.
[Middle English matrone, from Old French, from Latin mātrōna, from māter, mātr-, mother; see māter- in Indo-European roots.] ma'tron·al adj., ma'tron·li·ness n., ma'tron·ly adv. & adj.