What is Convivant?
1.
live in boy or girl friend, significant other, unmarried
She had been his convivant for the last four years, almost making them common law married.
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2.
A significant other who is a live in partner. A domestic partner. A name you give someone who is more than just your boyfriend or girlfriend and not quite your spouse. Con~ latin for with; vivir~ latin for live.
My convivant and I share a home with our two cats and a roomate.
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3.
Source: This word was introduced by Simon Winchester on NPR. (Maybe on Oct-14-2002, Talk of the Nation )
His convivant dumped him when she saw him messing around.
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