timer
n. countablen. a device or tool that measures a specific amount of time. It usually makes a sound or stops a machine when the time is up.
n. a device or software application used to measure or track a specific interval of time, often triggering an alarm or action upon completion.
Set the timer for ten minutes so the pasta doesn't overcook.
The chef uses a digital timer to ensure every steak is cooked to the exact level of doneness requested by the customer.
In industrial manufacturing, a precision timer controls the duration of the cooling phase to prevent the plastic components from warping as they solidify.
From time (verb) + -er.
From time (noun) + -er (measurement suffix) or + -er (occupational suffix).
Often used with the verbs 'set', 'start', or 'reset'.