Jointress
The Century Dictionary and Cyclopedia
noun.
A woman who has a jointure; a dowager.
noun.
A woman who joins with another person in rule or possession.
the GNU version of the Collaborative International Dictionary of English
noun.
A woman who has a jointure.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A
widow
who has a
jointure
Word Usage
"Gertrude is described as the 'imperial jointress' of the State, and the"
variant
jointuress