spinster -
A woman of evil life and character; so called from being forced to spin in a house of correction.
Wikipedia
A spinster is a legal term for an unmarried woman, aged 38 or over, commonly heard in the banns of marriage of the Church of England when the prospective bride is formally described as a "spinster of this parish". The term spinster originally identified girls and women who spun wool. In medieval times, this was one of the few livelihoods available to a woman in order to live independently of a male wage.
OmegaWiki Dictionary
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spinster Someone who gives a positive interpretation to events.
spinster An elderly unmarried woman.
spinster Someone who spins (who twists fibers into threads).