[barn] n [ME bern, fr. OE bereaern, fr. bere barley + aern house, store] (bef. 12c) 1 a: a usu. large building for the storage of farm products or feed and usu. for the housing of farm animals or farm equipment b: an unusually large and usu. bare building "a great ~ of a hotel --W. A. White"
2: a large building for the housing of a fleet of vehicles (as trolley cars or trucks) -- barn.like adj -- barny adj