clock

Any device or mechanism that enables time to be measured or regulated.countableuncountable

• A sundial is a type of clock that measures time through the movement of the sun's shadow.
• Radioactive decay acts as a geological clock, revealing the age of the rock.

Any device or mechanism that enables time to be measured or regulated.; In particular, a mechanical or electronic device that indicates the time of day through hands or a numeric display, and sometimes also through chimes.countableuncountable

• The clock on the mantlepiece says midnight, but the church clock says quarter past.

Any device or mechanism that enables time to be measured or regulated.; A time clock.countableuncountable

• I can't go off to lunch yet: I'm still on the clock.
• We let the guys use the shop's tools and equipment for their own projects as long as they're off the clock.

Any device or mechanism that enables time to be measured or regulated.; An electrical signal that synchronizes timing among digital circuits of semiconductor chips or modules.countableuncountable

Any device or mechanism that enables time to be measured or regulated.; A CPU clock cycle, or T-state.countableinformaluncountable

• Executing a NEXT to code takes 7 clocks, or 1.05 microseconds.
• The best schedule produced by any hardware algorithm takes 7 clocks, whereas the statically reordered code in Figure 1.2(b) takes only 5 clocks.

Any device or mechanism that enables time to be measured or regulated.; A watch (timepiece).UKcountableobsolete

• , Chance of the Game But if the clock was a red 'un, and the opportunity undoubted; to be pinched in the Bow Road merely might well imply loss of caste in the mob, but nobody need be ashamed to be pinched anywhere for a gold watch, after al

A common noun relating to an instrument that measures or keeps track of time.attributivecountableuncountable

• A 12-hour clock system; an antique clock sale; Acme is a clock manufacturer.

The odometer of a motor vehicle.UKcountableuncountable

• This car has over 300,000 miles on the clock.

The seed head of a dandelion.countableuncountable

A luck-based patience or solitaire card game with the cards laid out to represent the face of a clock.uncountable

To measure the duration of.transitive

To measure the speed of.transitive

• He was clocked at 155 miles per hour.

To hit (someone) heavily.slangtransitive

• When the boxer let down his guard, his opponent clocked him.

To notice; to take notice of (someone or something).informaltransitive

• Clock the wheels on that car!

To recognize; to assess, register.informaltransitive

• I'd already clocked her as someone who couldn't reliably be believed when she spoke. And now this too!

To identify (someone) as having some attribute (for example, being trans or gay).informaltransitive

• Once my transition was complete I considered moving to London, where I felt there was less chance of being clocked and a larger support network.

To falsify the reading of the odometer of a vehicle.UKslang

• I don't believe that car has done only 40,000 miles. It's been clocked.

To beat a video game.AustraliaNew-ZealandUK

• Have you clocked that game yet?

To expose or attack someone, typically in a targeted and insulting manner.ambitransitive

• Did you hear what she said about my outfit? She kind of clocked me.
• You clocked, that guy is always running his mouth.

A pattern near the heel of a sock or stocking.

• But this you can't stand, so you throw up your hand, and you find you're as cold as an icicle, In your shirt and your socks (the black silk with gold clocks), crossing Salisbury Plain on a bicycle
• She'd a gown wi' girt flowers lik' hollyhocks An zome stockèns o' gramfer's a-knit wi' clocks

To ornament (e.g. the side of a stocking) with figured work.transitive

A large beetle, especially the European dung beetle (Geotrupes stercorarius).

To make the sound of a hen; to cluck.Scotlanddatedintransitive

To hatch.Scotlanddatedintransitive