timer

• POS: Noun
• HYPHEN: tim=er

CIDE DICTIONARY

timer, n. 

•  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]
•  In electric ignition, an adjustable device for automatically timing the spark.  [Webster 1913 Suppl.]

OXFORD DICTIONARY

timer, n.
1 a person or device that measures or records time taken.
2 an automatic mechanism for activating a device etc. at a pre-set time.

THESAURUS

timer

Big Ben, 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