a brother born of the same parents

plural of cousin-brother

plural of lay brother

(slang, transitive) To view or categorize someone as a brotherly figure, rather than a potential romantic partner.

plural of brother-slayer

(rare) One who kills or murders one's brother; a fratricide

plural of good-brother

(Scotland, obsolete) brother-in-law

(nonstandard) plural of brother-in-law

(India) The jungle babbler, Turdoides striata, habitually flocking in extended family groups.