Definition of the clock
1 : a clock that is used in sports and that shows how much time remains for a particular part of a game They were winning by 2 points with 10 seconds (left) on the clock. They stopped the (game) clock with eight seconds remaining.
2 : a special clock that is used to record the times when an employee starts and stops working : time clock I punched the clock at 8:45 and started working right away.
3 chiefly British : a device that shows how far a vehicle has traveled a car with 100,000 miles on the clock
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