brother-out-law

== English == === Etymology === From brother +‎ -out-law, by analogy to brother-in-law. === Noun === brother-out-law (plural brothers-out-law) The brother of one's boyfriend or girlfriend. The boyfriend of one's sister or brother. The brother of one's ex-spouse. ==== Coordinate terms ==== brother-in-law ==== Related terms ==== daughter-out-law father-out-law mother-out-law sister-out-law son-out-law