1. An instrument other than a watch for measuring or indicating time, especially a mechanical or electronic device having a numbered dial and moving hands or a digital display. 2. A time clock. 3. A source of regularly occurring pulses used to measure the passage of time, as in a computer. 4. Any of various devices that indicate measurement, such as a speedometer or a taximeter. 5. A biological clock. 6.Botany The downy flower head of a dandelion that has gone to seed.
VERB:
Inflected forms: clocked, clock·ing, clocks
TRANSITIVE VERB:
1. To time, as with a stopwatch: clock a runner.2. To register or record with a mechanical device: clocked the winds at 60 miles per hour.
INTRANSITIVE VERB:
To record working hours with a time clock: clocks in at 8 a.m. and out at 4 p.m.
IDIOMS:
around(or round)the clock Throughout the entire 24 hours of the day; continuously. clean (someone's) clockSlang To beat or defeat decisively: “Immense linemen declared their intentions to clean the clocks of opposing players” (Russell Baker).kill(or run out)the clockSports To preserve a lead by maintaining possession of the ball or puck until playing time expires.
ETYMOLOGY:
Middle English clokke, from Old North French cloque, bell, or from Middle Dutch clocke, bell, clock, both from Medieval Latin clocca, of imitative origin.
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