Definition of clock verb from the Oxford Advanced Learner's Dictionary

     

    clock

     verb
    verb
    BrE BrE//klɒk//
     
    ; NAmE NAmE//klɑːk//
     
    Verb Forms present simple I / you / we / they clock
    BrE BrE//klɒk//
     
    ; NAmE NAmE//klɑːk//
     
    he / she / it clocks
    BrE BrE//klɒks//
     
    ; NAmE NAmE//klɑːks//
     
    past simple clocked
    BrE BrE//klɒkt//
     
    ; NAmE NAmE//klɑːkt//
     
    past participle clocked
    BrE BrE//klɒkt//
     
    ; NAmE NAmE//klɑːkt//
     
    -ing form clocking
    BrE BrE//ˈklɒkɪŋ//
     
    ; NAmE NAmE//ˈklɑːkɪŋ//
     
    Controlling traffic
     
    jump to other results
  1. 1clock something to reach a particular time or speed He clocked 10.09 seconds in the 100 metres final.
  2. 2to measure the speed at which somebody/something is travelling clock somebody doing something The police clocked her doing over 100 miles an hour. clock somebody/something (at something) Wind gusts at 80 m.p.h. were clocked at Rapid City. See related entries: Controlling traffic
  3. 3clock somebody | clock that… | clock what/where, etc… (British English, informal) to notice or recognize somebody I clocked her in the driving mirror.
  4. 4clock something (British English, informal) to illegally reduce the number of miles shown on a vehicle’s milometer (= instrument that measures the number of miles it has travelled) in order to make the vehicle appear to have travelled fewer miles than it really has
  5. Word Origin late Middle English: from Middle Low German and Middle Dutch klocke, based on medieval Latin clocca ‘bell’. Phrasal Verbsclock inclock offclock up something
See the Oxford Advanced American Dictionary entry: clock