The large door of a barn. / (humorous) Something large enough that a miss ought to be impossible. / (cricket) A player who blocks every ball. / (euphemistic, humorous) The groin area of a pair of pants.

An owl of the species Tyto alba, often having a white face and commonly found in barns and other farm buildings.

Used other than figuratively or idiomatically: see barn, doors.

A building for exhibiting cattle and other domestic animals, as at a county fairgrounds.

(idiomatic, business) An exciting and real prospect, something to be legitimately excited about.

(idiomatic) A valuable item recovered from poor storage, such as a suburban garage, farm shed, etc., where it had been more or less forgotten; especially a vintage automobile.

(chiefly US, idiomatic) To experience heightened anticipation or to act with renewed speed or energy as one approaches a destination, goal, or other desired outcome.

present participle of smell the barn.

(simile) Very big.

A kind of banked barn built in the USA from about 1820-1900, having an overshoot or forebay: an area where one or more walls overshoot the foundation.