Definition of "barn" in English

noun

1. (agriculture) A building, often found on a farm, used for storage or keeping animals such as cattle.

2. (nuclear physics) A unit of surface area equal to 10⁻²⁸ square metres.

3. (informal, basketball, ice hockey) An arena.

   • Maple Leaf Gardens was a grand old barn.

4. (slang) A warm and cozy place, especially a bedroom; a roost.

verb

1. (transitive) To lay up in a barn.

noun

1. (dialect, parts of Northern England) A child.