Significatio vocis glos | Babel Free

Definitiones

1. the sister of one’s husband, one’s sister-in-law
   Classical-Latin, declension-3
2. the wife of one’s brother, one’s sister-in-law
   Late-Latin, Medieval-Latin, declension-3

Exempla

“Glos, viri soror, a Graeco γαλόως.”

Gradus CEFR