timer

[ tahy-mer ]
/ ˈtaɪ mər /

noun

a person or thing that times.
a person who measures or records time.
a device for indicating or measuring elapsed time, as a stopwatch.
a device for controlling machinery, appliances, or the like, in a specified way at a predetermined time: Please put the roast in the oven and set the timer to cook it for two hours.
(in an internal-combustion engine) a set of points actuated by a cam, which causes the spark for igniting the charge at the instant required.

Origin of timer

First recorded in 1490–1500; time + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for timer

British Dictionary definitions for timer

timer

/ (ˈtaɪmə) /

noun

a device for measuring, recording, or indicating time
a switch or regulator that causes a mechanism to operate at a specific time or at predetermined intervals
a person or thing that times
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012