clock 1
/klok/ , n.
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 time clock .
3. a meter or other device, as a speedometer or taximeter, for measuring and recording speed, distance covered, or other quantitative functioning.
4. See biological clock .
5. ( cap. ) Astron. the constellation Horologium.
6. Computers. the circuit in a digital computer that provides a common reference train of electronic pulses for all other circuits.
7. around the clock ,
a. during all 24 hours; ceaselessly.
b. without stopping for rest; tirelessly: working around the clock to stem the epidemic.
8. clean (someone's) clock , to defeat; vanquish.
9. kill the clock , Sports. to use up as much game time as possible when one is winning, as to protect a lead in basketball, ice hockey, or football. Also, run out the clock .
10. stop the clock , 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.
v.t.
11. to time, test, or determine by means of a clock or watch: The racehorse was clocked at two minutes thirty seconds.
12. Slang. to strike sharply or heavily: Somebody clocked him on the face.
v.i.
13. clock in , to begin work, esp. by punching a time clock: She clocked in at 9 on the dot.
14. clock out , to end work, esp. by punching a time clock: He clocked out early yesterday.
[ 1350-1400; ME clok ( ke ) clocke bell, clock; akin to OE clucge, OHG glocka (G Glocke ), OIr clocc bell; cf. CLOAK ]
clock 2
/klok/ , n.
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.
v.t.
2. to embroider with such an ornament.
[ 1520-30; orig. uncert. ]