strangebutton
nounUK /streɪndʒ ˈbʌtən/
US /streɪndʒ ˈbʌtən/
A strange button is a button that looks or acts in a weird way.
When I pressed the strange button, the toy made a funny noise.
OTHER MEANINGS
2. A button whose purpose nobody knows.
There was a strange button on the wall that no one dared to touch.
3. A button that does something surprising when pressed.
The strange button turned the lights purple instead of off.
4. A button that looks different from all the others.
Among the red buttons, one strange button was bright green.
5. A button that seems to be in the wrong place.
He found a strange button on the back of the remote.