Find the word definition

The Collaborative International Dictionary
Brothers-in-law

Brother-in-law \Broth"er-in-law`\, n.; pl. Brothers-in-law. The brother of one's husband or wife; also, the husband of one's sister; sometimes, the husband of one's wife's sister.

Wiktionary
brothers-in-law

n. (brother-in-law English)

WordNet
brothers-in-law
brother-in-law
  1. n. a brother by marriage

  2. [also: brothers-in-law (pl)]