timer Hear it!

timer definition

timer (tīm′ər)

noun

    1. timekeeper
    2. stopwatch
  2. ☆ in internal-combustion engines, any part or system designed to control the timing of the spark in the cylinder
  3. any of various devices for timing, or automatically starting and stopping at predetermined times, the operation of some mechanism

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.