delaybutton

noun
UK /dɪˈleɪ bʌtən/
US /dɪˈleɪ bʌtən/

A delay button is a button you press to make something happen later instead of right now.

Press the delay button so the alarm rings in ten minutes.


OTHER MEANINGS

2. A button on a device that briefly postpones an automatic action.

The delay button on the camera gives you five seconds before the photo.

3. A control that pauses a process for a set time.

She hit the delay button to stop the machine for a moment.

4. A feature that lets a broadcast play later than scheduled.

The delay button keeps the live show a few seconds behind.