barndoor

Noun

barn door (plural barn doors)

1. The large door of a barn.
2. (humorous) Something large enough that a miss ought to be impossible.
   • Buying a barn door won't help your tennis game.
3. A player who blocks every ball.
4. (euphemistic, humorous) The groin area of a pair of pants, especially in reference to a fly.
   • Somebody forgot to close his barn door again!
5. An off-balance pivot on two points of contact.

See all 6 meanings of barn door