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Meaning of timer

tim•er

Pronunciation: (tī'mur), [key]
— n.
  1. a person or thing that times.
  2. a person who measures or records time.
  3. a device for indicating or measuring elapsed time, as a stopwatch.
  4. 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.
  5. (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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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