What's the difference between jointress and jointure?

Jointress

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Definition:

• (n.) A woman who has a jointure.

Example Sentences:

Jointure

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Definition:

• (n.) A joining; a joint.
• (n.) An estate settled on a wife, which she is to enjoy after husband's decease, for her own life at least, in satisfaction of dower.
• (v. t.) To settle a jointure upon.

Example Sentences: