Found 2 items, similar to Brother-in-law.
English → English (WordNet) Definition: brother-in-law brother-in-law n : a brother by marriage [also: brothers-in-law (pl)]
English → English (gcide) Definition: Brother-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. [1913 Webster]