half brother-in-law

From half brother +‎ -in-law or half + brother-in-law.

half brother-in-law (plural half brothers-in-law)

1. The half brother of one's spouse.
2. The husband of one's half-sibling.
3. The husband of the half-sibling of one's spouse.

• half sister-in-law

• maternal half brother-in-law
• paternal half brother-in-law