The Collaborative International Dictionary of English v.0.48:
Stola \Sto"la\, n.; pl. Stolae. [L. See Stole a garment.] (Rom. Antiq.) A long garment, descending to the ankles, worn by Roman women. [1913 Webster] The stola was not allowed to be worn by courtesans, or by women who had been divorced from their husbands. --Fairholt. [1913 Webster]