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clock 1

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. The downy flower head of a dandelion that has gone to seed.
v. clocked, clock·ing, clocks
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.
3. Informal To strike or hit (someone) forcefully, especially in the face.
1. To record working hours with a time clock: clocks in at 8:00 and out at 4:00.
2. To be measured or registered, especially at a certain speed or rate. Often used with in: a fastball that clocks in at 95 miles per hour.
Phrasal Verb:
clock up Chiefly British Slang
To accumulate; rack up: clocked up a number of wins.
around/round the clock
Throughout the entire 24 hours of the day; continuously.
clean (someone's) clock Slang
To beat or defeat decisively: "Immense linemen declared their intentions to clean the clocks of opposing players" (Russell Baker).
kill/run down/run out the clock
Sports To preserve a lead by maintaining possession of the ball or puck until playing time expires.

[Middle English clokke, from Old North French cloque, bell, or from Middle Dutch clocke, bell, clock, both from Medieval Latin clocca, of imitative origin.]

clock′er n.

clock 2

An embroidered or woven decoration on the side of a stocking or sock.

[Perhaps from clock, bell (obsolete), from its original bell-shaped appearance.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clocking - the time taken to traverse a measured course; "it was a world record clocking"
duration, continuance - the period of time during which something continues
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
More specifically, the new IDT CV115C is the only product on the market to offer independent clocking for PCI Express, making it an appropriate fit for next-generation desktop PC platforms.
To minimize strobe design complexity, Ultra ATA uses a double data rate or double-edge clocking mechanism for all Ultra DMA transfers.
Leveraging its expertise in timing technology, IDT is the first in the industry to introduce LVDS fan-out buffers that offer redundant clocking with glitchless switchover.