Barn in a sentence as a noun

It only takes one "smart cow" to open the barn door for the rest.

I think it's safe to take that device behind the barn to retire forever.

The problem is that you never know which patents will be asserted against you, and by that point the horse is out of the barn.

"So I've heard that in Vermont the local tradition is to build the barn first, and then live in the barn until you can afford to build the house.

Barn definitions

noun

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

noun

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