- the wife or widow of an archduke
- a princess of the former Austrian imperial family
- The wife or widow of an archduke.
- A woman, especially an Austrian princess, holding an archduchy in her own right.
- Used as a title for such a noblewoman.
Origin of archduchessFrench archiduchesse, feminine of archiduc, archduke; see archduke.
arch- + duchess.