The Collaborative International Dictionary
Feme sole
Feme \Feme\ (f[e^]m or f[a^]m), n. [OF. feme, F. femme.] (Old
Law)
A woman.
--Burrill.
Feme covert (Law), a married woman. See Covert, a., 3.
Feme sole (Law), a single or unmarried woman; a woman who has never been married, or who has been divorced, or whose husband is dead.
Feme sole trader or Feme sole merchant (Eng. Law), a married woman, who, by the custom of London, engages in business on her own account, inpendently of her husband.
Wiktionary
feme sole
n. (context legal English) A single woman, whether unmarried, spinster, widow or divorcee.