frātria,
uxor fratris ( sister-in-law ), Paul. ex Fest. p. 90 Müll.; cf.: fratriae appellantur fratrum inter se uxores, Non. 557, 9; and: fratria, εἰνάτηρ, Gloss. Philox; also called ‡ fratrissa, acc. to Isid. Orig. 9, 7, 17.