The brother of one's spouse. / The husband of one's sibling. / The husband of the sibling of one's spouse. / The brother of the spouse of one's sibling.

Alternative form of brother-in-law

(nonstandard) plural of brother-in-law

plural of brother-in-law

plural of brother in law

The half brother of one's spouse. / The husband of one's half-sibling. / The husband of the half-sibling of one's spouse.

(uncommon) One's spouse's brother-in-law (one's spouse's sibling's husband), especially one's wife's sister's husband; either of two (or more) men who marry sisters, in relation to the other; the brother of one spouse in relation to the siblings of the other spouse.

plural of co-brother-in-law

plural of half brother-in-law

The brother of one's boyfriend or girlfriend. / Boyfriend of one's sister or brother. / The brother of one's ex-spouse.