# half brother-in-law

> English word · Noun

## Definitions
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.

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

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/half-brother-in-law