noun
- A brother by marriage. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). brother-in-law. Retrieved September 27, 2026, from http://smartdefine.org/brother-in-law/definitions/1229207 |
| Chicago | WordNet. 2010. "brother-in-law" http://smartdefine.org/brother-in-law/definitions/1229207 (accessed September 27, 2026). |
| Harvard | WordNet 2010, brother-in-law, Smart Define, viewed 27 September, 2026, <http://smartdefine.org/brother-in-law/definitions/1229207>. |
| MLA | WordNet. "brother-in-law" 23 October 2010. Web. 27 September 2026. <http://smartdefine.org/brother-in-law/definitions/1229207> |