clock: Meaning and Definition of

clock

1. an instrument for measuring and recording time, esp. by mechanical means, usually with hands or changing numbers to indicate the hour and minute: not designed to be worn or carried about.
2. See
3. a meter or other device, as a speedometer or taximeter, for measuring and recording speed, distance covered, or other quantitative functioning.
4. See
5. (cap.)the constellation Horologium.
6. the circuit in a digital computer that provides a common reference train of electronic pulses for all other circuits.
7. working around the clock to stem the epidemic.
1. during all 24 hours; ceaselessly.
2. without stopping for rest; tirelessly:working around the clock to stem the epidemic.
8. to use up as much game time as possible when one is winning, as to protect a lead in basketball, ice hockey, or football.
9. to postpone an official or legal deadline by ceasing to count the hours that elapse, as when a new union contract must be agreed upon before an old contract runs out.

1. to time, test, or determine by means of a clock or watch: The racehorse was clocked at two minutes thirty seconds.

1. to begin work, esp. by punching a time clock: She clocked in at 9 on the dot.
2. to end work, esp. by punching a time clock: He clocked out early yesterday.

clock

1. a short embroidered or woven ornament on each side or on the outer side of a sock or stocking, extending from the ankle upward.

1. to embroider with such an ornament.