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clock

verb [T] (SPEED)
 
 
/klɒk/ US  /klɑːk/

Definition

to show or reach a particular speed or distance on a measuring device: [+ -ing verb] The police clocked him doing 80 mph in a 50 mph area. Jim's car has clocked (up) (= travelled) 40,000 miles in less than two years.Speed of motion
(Definition of clock verb (SPEED) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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