beau-frère
Meanings
Noun
1. brother-in-law (brother of one's wife)
2. brother-in-law (brother of one's husband)
3. brother-in-law (husband of one's sister)
4. brother-in-law (husband of one's brother)
Examples13
Tom is Mary's brother-in-law.
Tom and John are brothers-in-law.
My brother-in-law was of a different opinion.
This hotel belongs to my brother-in-law.
Tom's brother-in-law is a prison governor.
The husband’s brother is a brother-in-law.