French door n.
French doors definitino.
They also can be referred to as french windows.
According to the american heritage dictionary by definition.
French door definition is a door with rectangular glass panes extending the full length.
Patio french doors often open on to a deck or a backyard patio and may be used with a screen door system.
A door usually one pair of light construction with glass panes extending for most of its length.
These doors are popular because they allow some privacy while allowing a visual connection between two spaces.
He knocked on the door.
Door a swinging or sliding barrier that will close the entrance to a room or building or vehicle.
French doors are used as both entry patio doors and as interior doors that separate two spaces.
He slammed the door as he left.