slidingpanel
nounUK /ˈslaɪdɪŋ ˈpænəl/
US /ˈslaɪdɪŋ ˈpænəl/
A sliding panel is a flat piece that moves in and out to open or close a space.
She opened the sliding panel to let some fresh air into the room.
OTHER MEANINGS
2. A movable section of a wall or screen that slides along a track.
The sliding panel in the wall revealed a hidden closet.
3. A part of a machine or device that slides to cover or uncover an opening.
He pushed the sliding panel on the camera to expose the lens.
4. A panel in a vehicle that slides open for ventilation.
The van's sliding panel let in a cool breeze.