timer
NounSynonyms:
timekeeper
WordNet 3.0
Noun (3)
- a timepiece that measures a time interval and signals its end
- (sports) an official who keeps track of the time elapsedSynonyms: timekeeper
- a regulator that activates or deactivates a mechanism at set times
Webster's Dictionary (GCIDE)
Timer \Tim"er\, n.
1.A timekeeper; especially, a watch by which small intervals of time can be measured; a kind of stop watch. It is used for timing the speed of horses, machinery, etc. [1913 Webster]
2.(Internal-combustion Engines) In electric ignition, an adjustable device for automatically timing the spark. [Webster 1913 Suppl.]