noun. The door of a barn.

noun. An opaque adjustable flap on a lamp fixture; used in photography to cut off light from particular areas.

noun. The door of a barn

noun. an opaque adjustable flap on a lamp fixture; used in photography to cut off light from particular areas

noun. the large sliding door of a barn

"By stepping through the reveal of Giacomo Rossi-Stuart's doppelgänger, I noticed that the green light that suddenly illuminates the side of his face flares up a beat or two after he turns to face the hero -- as if it was already on, waiting for a piece of cardboard to drop away, or a lighting "barndoor" to open and expose it."

barndoor fowl  

barndoor skate  

flap  sliding door  

auriferous  bantam  banty  barnyard  black-breasted