- The definition of a barn is a building separate from a main house, traditionally used for storing farm animals, equipment, or grain.
A place where chickens live and hay is stacked up is an example of a barn.
A red barn in the snow.
- a farm building for sheltering harvested crops, livestock, machines, etc.
- ☆ a large building for streetcars, trucks, etc.
Origin of barnarbitrary use, from phr. as big as a barnNuclear Physics a unit of area used to show the degree of probability that a nuclear reaction will occur: 1 barn = a magnitude of 10 sq cm per nucleus: abbrev. b
Origin of barnMiddle English ; from Old English bern, berern ; from bere, barley + ærn, house: see rest
- A large farm building used for storing farm products and sheltering livestock.
- A large shed for the housing of vehicles, such as railroad cars.
- A particularly large, typically bare building: lived in a barn of a country house.
- Abbr. b Physics A unit of area equal to 10−24 square centimeters, used to measure cross sections in nuclear physics.
Origin of barnMiddle English bern, from Old English berærn : bere, barley; see bhares- in Indo-European roots + ærn, house.
(third-person singular simple present barns, present participle barning, simple past and past participle barned)
- To lay up in a barn.
Middle English bern, from Old English bereærn 'barn, granary', compound of bere 'barley' and ærn, ræn 'dwelling, barn', from Proto-Germanic *razną (cf. Old High German erin, Old Norse rann), from pre-Germanic -, from Proto-Indo-European *h₁erh₁- 'to rest'. More at rest and barley.
- (dialect, parts of Northern England) A child.