Barn

A covered building used chiefly for storing grain, hay, and other productions of a farm. In the United States a part of the barn is often used for stables.

To lay up in a barn.

A child. [Obs.] See Bairn.

(physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter

an outlying farm building for storing grain or animal feed and housing farm animals