switch-operated stairs
nounUK /swɪtʃ ˈɒpəreɪtɪd stɛəz/
US /swɪtʃ ˈɑːpəreɪtɪd stɛrz/
Stairs that move up or down when you press a switch.
Grandma pressed the switch and the switch-operated stairs carried her to the next floor.
OTHER MEANINGS
2. A staircase whose steps are moved by a motor controlled by a button or lever.
The old factory had switch-operated stairs for moving boxes between floors.
3. A set of steps that can be folded or raised by a switch to save space.
The tiny house used switch-operated stairs that folded up against the wall.
4. A stairway in a model or toy building that moves when a switch is flipped.
His toy castle had switch-operated stairs that rose to the tower.