clock
Pronunciation
/klɑk/

Definition & Meaning of "clock"in English

Clock
01

a device used to measure and show time

clock definition and meaning
Grammatical Information
Animacy status
Inanimate
Composition
Simple
Countable
Plural form
clocks
Examples
I enjoy watching the hands of the clock move as time goes by.
02

the instrument that shows the speed or mileage of the vehicle

Dialectbritish flagBritish

What is a "clock"?

A clock is the instrument in a vehicle that shows the speed or mileage. It is commonly called the speedometer when showing speed and the odometer when displaying the mileage. These instruments are part of the vehicle’s dashboard, helping the driver keep track of how fast they are going or how many miles the vehicle has traveled.

Examples
The clock in my car showed that I had driven 100,000 miles.
to clock
01

to measure the passage of time

Transitive: to clock time
to clock definition and meaning
Grammatical Information
Composition
Simple
Action verb
Regular
Present tense
clock
3rd person singular
clocks
Present participle
clocking
Past simple
clocked
Past participle
clocked
Examples
She clocked her running time to track her progress in marathon training.
02

to recognize or notice that someone is transgender

to clock definition and meaning
Slang

What does "to clock" mean in transgender slang?

The phrase "to clock" means to notice or recognize that someone is transgender, especially when they are trying to pass as cisgender. The structure is informal slang where "clock" functions as a verb meaning to detect or identify something hidden. It is commonly used in LGBTQ+ and online communities to describe recognition of trans status based on appearance, behavior, or other cues.

Examples
They were clocked as trans the moment they walked in.
03

to measure or record the speed of something

Transitive: to clock speed of something
Examples
The car clocked 100 kilometers per hour during the race.
04

to notice, register, or recognize something

Slang

What does "to clock" mean in slang?

The structure is a simple verb borrowed from the action of a clock recording time, repurposed to mean mentally recording or noting something. It is used to describe noticing, registering, or recognizing something or someone, often subtly or quickly. People typically say "I clocked him across the room" or "She clocked the mistake right away" when they noticed something others missed.

Examples
I totally clocked that look she gave you.
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