button-controlled staircase
nounUK /ˈbʌtən kənˈtrəʊld ˈsteəkeɪs/
US /ˈbʌtən kənˈtroʊld ˈsterkeɪs/
A staircase that moves up or down when you press a button.
The little girl pressed the button and the button-controlled staircase carried her to the second floor.
RELATED WORDS
OTHER MEANINGS
2. A set of steps in a building that only works when a button is pushed.
The museum's button-controlled staircase helps visitors reach the upper gallery.
3. A mechanical stair system started by pressing a switch.
Workers installed a button-controlled staircase in the new library.
4. Stairs that a person operates with a button instead of walking.
He rode the button-controlled staircase because his leg was hurt.