aristocrat, blue blood, patrician - a member of the aristocracy

czarina, czaritza, tsarina, tsaritsa, tzarina - the wife or widow of a czar

noblewoman, peeress, Lady - a woman of the peerage in Britain

female monarch, queen regnant, queen - a female sovereign ruler

queen - the wife or widow of a king

Diana, Lady Diana Frances Spencer, Princess Diana, Princess of Wales - English aristocrat who was the first wife of Prince Charles; her death in an automobile accident in Paris produced intense national mourning (1961-1997)

Diane de Poitiers, Duchesse de Valentinois - French noblewoman who was the mistress of Henry II; she had more influence over him than did his wife Catherine de Medicis (1499-1566)