clock

US /klɑːk/

UK /klɑːk/

1.

an instrument for measuring and indicating time, typically by means of hands on a dial or by displayed figures.

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The clock on the wall struck noon.

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My alarm clock woke me up at 6 AM.

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timepiece chronometer timer

1.

to record or register (a time or distance) with a clock or other instrument.

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He managed to clock a new personal best in the race.

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The police clocked the car doing 90 mph.

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measure time record

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clock in clock on alarm clock pendulum clock around the clock grandfather clock shot clock