Timer

/tˈa‍ɪmɐ/

/ˈtaɪmɝ/

Timer

a device used to measure the time that something takes, used when doing something such as cooking

a regulator that activates or deactivates a mechanism at set times

(sports) an official who keeps track of the time elapsed

synonyms : timekeeper

Examples

1. He installed an electrical timer to control the outdoor lights.

2. He used the oven's timer to remind him to check on the cookies.

3. The oven timer beeped to indicate that the food was ready.

4. The air conditioner has a timer function, so you can set it to turn off automatically.