- The definition of a clock is a device for measuring and showing the time of day, or a decoration on the side of a sock or stocking coming up from the ankle.
- An example of a clock is a watch.
- An example of a clock is a piece of embroidery on a sock.
- Clock means to measure speed or time.
An example of clock is to record how long it takes a runner to finish a marathon.
A classic wall clock.
clock definition by Webster's New World
- a device used for measuring and indicating time, usually by means of pointers moving over a dial: clocks, unlike watches, are not meant to be worn or carried about
- ☆ time clock
- a measuring or recording device suggestive of a clock, as a taximeter
Origin: Middle English clokke, origin, originally , clock with bells ; from Midieval Latin clocca, bell ; from Celtic as in Old Irish cloc (from source Old English clugge, Old High German glocka), bell ; from uncertain or unknown; perhaps Indo-European base an unverified form kel-, to cry out, sound from source clamor
- to measure the speed or record the time of (a race, runner, motorist, etc.) with a stopwatch or other timing device
- to measure (work done, distance covered, etc.) with a registering device
Origin: ; from uncertain or unknown; perhaps clock, because of origin, originally bell shape
- clocked adjective
clock definition by American Heritage Dictionary
- 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.
- A time clock.
- A source of regularly occurring pulses used to measure the passage of time, as in a computer.
- Any of various devices that indicate measurement, such as a speedometer or a taximeter.
- A biological clock.
- Botany The downy flower head of a dandelion that has gone to seed.
- To time, as with a stopwatch: clock a runner.
- To register or record with a mechanical device: clocked the winds at 60 miles per hour.
Origin: Middle English clokke, from Old North French cloque, bell, or from Middle Dutch clocke, bell, clock, both from Medieval Latin clocca, of imitative origin.
- clockˈer noun
Origin: Perhaps from clock1, bell (obsolete), from its original bell-shaped appearance.
clock - Computer Definition
An internal timing device. Using a quartz crystal, the CPU clock breathes life into the microprocessor by feeding it a constant flow of pulses. For example, a 200 MHz CPU receives 200 million pulses per second from the clock. A 2 GHz CPU gets two billion pulses per second. Similarly, in a communications device, a clock is used to set the transmission speed and may also be used to synchronize the pulses between sender and receiver. A "real-time clock," also called the "system clock," keeps track of the time of day and makes this data available to the software. A "timesharing clock" interrupts the CPU at regular intervals and allows the operating system to divide its time between active users and/or applications. See per clock, clockless computing and MHz.
clock - Phrases/Idioms
around the clock
clean (someone's) clock