Dowager /(?)/

Dow·a·ger

Dowager

n.
  1. A widow endowed, or having a jointure; a widow who either enjoys a dower from her deceased husband, or has property of her own brought by her to her husband on marriage, and settled on her after his decease. (Eng. Law)
  2. A title given in England to a widow, to distinguish her from the wife of her husband's heir bearing the same name; -- chiefly applied to widows of personages of rank.
    With prudes for proctors, dowagers for deans.

Phrases & Compounds
Queen dowager
the widow of a king.