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]