Levir
Defined in 3 dictionaries — Cyclopedic (1922), Ballentine's (1916), Black's (1910)
The Cyclopedic Law Dictionary
Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
A husband's brother. Vicat.
Ballentine's Law Dictionary
James A. Ballentine · 1916
The brother of a husband.
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In Roman law. A husband's brother; a wife's brother-in-law. Calvin.