1. the wife or widow of an archduke
2. a woman having the rank of archduke in her own right

Examples

• The archduchess attended the royal wedding ceremony.
• Marie Antoinette was an archduchess of Austria before becoming Queen of France.
• The archduchess inherited vast estates throughout the empire.
• As an archduchess, she held significant political influence.
• The portrait depicted the archduchess in her formal court dress.
• The archduchess established several charitable foundations.