timerswitch
nounUK /ˈtaɪməswɪtʃ/
US /ˈtaɪmərswɪtʃ/
A switch that turns something on or off at a set time.
We set the timerswitch so the lights come on at seven.
RELATED WORDS
OTHER MEANINGS
2. A device that starts or stops a machine after a chosen delay.
The timerswitch cut the power after ten minutes.
3. A feature in software that triggers an action at a certain moment.
The app uses a timerswitch to save your work every hour.
4. A person or thing that changes timing settings.
The technician acted as a timerswitch for the whole system.