n. A building for lodging soldiers, especially in garrison; a permanent building or range of buildings in which both officers and men are lodged in fortified towns or other places.n. A large building, or a collection of huts or cabins, especially within a common inclosure, in which large numbers of men are lodged.n. A straw-thatched roof supported by four posts, under which hay is kept, and which is capable of being raised or lowered at pleasure.To house in barracks; lodge in barracks, as troops.To lodge or reside in barracks.To jeer at or deride opponents; specifically, with for (like the equivalent United States slang root), to support, as a partizan, by cheers, shouts, and other demonstrations of approval, or by jeering at and noisily disturbing and interrupting the opposite side or party: as, to barrack for the school team.