Feme sole trader
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In English law
A married woman, who, by the custom of London, trades on her own account, independently of her husband; so called because, with respect to her trading, she is the same as a feme sole.
Jacob; Cro. Car. 68.
The term la applied alse to women deserted by their husbands, who do business as femes sole.
Rhea v. Rhenner, 1 Pet. 105 , 7 In Ed. 72.