1. A large farm building used for storing farm products and sheltering livestock. 2. A large shed for the housing of vehicles, such as railroad cars. 3. A particularly large, typically bare building: lived in a barn of a country house.4.abbr.bPhysics A unit of area equal to 10-24 square centimeters, used to measure cross sections in nuclear physics.
ETYMOLOGY:
Middle English bern, from Old English berærn : bere, barley; see bhares- in Appendix I + ærn, house.
bärn
