Timer | Mean of timer in English Dictionary

/ˈtaɪmɚ/

• Noun
• a special watch that is used to measure the amount of time that is taken to finish a race, a test, etc.
• a person who uses such a watch to time someone or something
1. He was the official timer for the race.
• a device that makes a sound when a certain amount of time has passed
1. She set the timer on the oven for one hour.
2. The timer is set to go off in 15 minutes.

• a device that can be set to turn something (such as a light) on or off at a certain time
1. The sprinkler is on a timer. [=(Brit) time switch]
2. We put the house lights on timers before going on vacation.