[tim.er] n (1841): one that times: as a: timepiece; esp: a stopwatch for timing races b: timekeeper c: a device (as a clock) that indicates by a sound the end of an interval of time or that starts or stops a device at predetermined times
TIMER
Meaning of TIMER in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012