timer has definitions from the field of sport
1
[ noun ] a timepiece that measures a time interval and signals its end

Used in print

(Walter H. Buchsbaum, "Advances in Medical Electronics"...)

Commonly used electronic_devices which are found in practically every hospital are closed-circuit TV and audio_systems for internal paging and instruction , along with radiation counters , timers , and similar devices .

2
[ noun ] (sports) an official who keeps track of the time elapsed

Synonyms

timekeeper

Related terms

official sport

3
[ noun ] a regulator that activates or deactivates a mechanism at set times

Related terms

governor time

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