brother-in-law
US /ˈbrʌð.ər.ɪn.lɑː/
UK /ˈbrʌð.ər.ɪn.lɑː/
1.
the brother of one's husband or wife
:
•
My brother-in-law is coming to visit next week.
•
She gets along well with her brother-in-law.
2.
the husband of one's sister
:
•
My sister's husband, my brother-in-law, is a great cook.
•
I went fishing with my brother-in-law last weekend.