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.

(transitive, filmmaking) To apply or adjust the barn doors as part of lighting.

simple past tense and past participle of barn door

present participle of barn door

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