Timer

Noun

 * 1) Someone or something which times.
 * 2) A device used to measure amounts of time.
 * 3) Any electronic function that causes a device to be able to do something automatically after a preset amount of time.

Derived terms

 * egg timer, egg-timer

Thesaurus
annalist, automatic switch, calendar maker, calendarist, channel selector, check valve, chronicler, chronographer, chronologer, chronologist, chronometer, clock, clock movement, clockmaker, clockworks, contour follower, control valve, diarist, electronic control, emergency control, finder switch, flowmanostat, horologe, horologist, horologium, internal selector, rectifier, register regulator, safety control, safety fuse, safety stop, safety switch, safety valve, selector switch, sequence switch, servo valve, thermoswitch, ticker, timekeeper, timepiece, turnip, voltage regulator, voltage stabilizer, watch, watchmaker, watchworks