WordReference Random House Learner's Dictionary of American English © 2015
clock1 /klɑk/USA pronunciation
n. [countable]WordReference Random House Unabridged Dictionary of American English © 2015
[~ + object] to time, test, or determine by means of a clock or watch:The racehorse was clocked at two minutes thirty seconds.
clock in (or out), [no object] to begin (or end) the day's work, esp. by punching a time clock:What time did you clock in today?
- Timea relatively large instrument for telling time.
- time clock.
- a meter for measuring and recording speed, etc.:The skier is racing against the clock.
- Biologybiological clock.
around the clock, [uncountable]
- for the entire 24-hour day without pause:The factory shifts worked around the clock.
- without stopping for rest; tirelessly:working at this project around the clock.
to time, test, or determine by means of a clock or watch:The racehorse was clocked at two minutes thirty seconds.
Slang Terms[Slang.]to strike sharply or heavily:Somebody clocked him on the face.
clock in, to begin work, esp. by punching a time clock:She clocked in at 9 on the dot.
clock out, to end work, esp. by punching a time clock:He clocked out early yesterday.
- Timean 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.
- See time clock.
- a meter or other device, as a speedometer or taximeter, for measuring and recording speed, distance covered, or other quantitative functioning.
- BiologySee biological clock.
- (cap.)[Astron.]the constellation Horologium.
- Computing[Computers.]the circuit in a digital computer that provides a common reference train of electronic pulses for all other circuits.
around the clock:
- during all 24 hours;
- without stopping for rest;
tirelessly:working around the clock to stem the epidemic.
- Idiomsclean (someone's) clock, to defeat; vanquish.
- Sportkill 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.
- Idiomsstop 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.
- Middle Dutch clocke bell, clock; akin to Old English clucge, Old High German glocka (German Glocke), Old Irish clocc bell; compare cloak
- Middle English clok(ke) 1350–1400
to embroider with such an ornament.
- a short embroidered or woven ornament on each side or on the outer side of a sock or stocking, extending from the ankle upward.
- origin, originally uncertain 1520–30
Collins Concise English Dictionary © HarperCollins Publishers::
clock /klɒk/ n
- a timepiece, usually free-standing, hanging, or built into a tower, having mechanically or electrically driven pointers that move constantly over a dial showing the numbers of the hours
- any clocklike device for recording or measuring, such as a taximeter or pressure gauge
- the downy head of a dandelion that has gone to seed
- short for time clock
- around the clock, round the clock ⇒ all day and all night
- the clock ⇒
an informal word for speedometer, mileometer
a slang word for face
Etymology: 14th Century: from Middle Dutch clocke clock, from Medieval Latin clocca bell, ultimately of Celtic origin
- (transitive) Brit Austral NZ slang to strike, esp on the face or head
- (transitive) to record time as with a stopwatch, esp in the calculation of speed
clock /klɒk/ n
Etymology: 16th Century: from Middle Dutch clocke, from Medieval Latin clocca bell
- an ornamental design either woven in or embroidered on the side of a stocking
'clock' also found in these entries: