clock
The primary sense of the word evokes a sense of mechanical precision and the relentless passage of time. It is distinct from a watch, which is portable and worn on the body, whereas a clock is generally stationary or larger in scale. This creates a psychological association with domesticity, offices, or public spaces where time is monitored collectively.
In its slang or athletic usage, the word shifts from the slow tick of time to a sudden, high-velocity impact. Whether it is the precise timing of a race or a sudden punch, the common thread is the concept of an instantaneous measurement or a definitive strike.
Countable when referring to the physical devices on a wall or table. Uncountable when referring to the general system of timing in a technical or sports context.
Meanings
Examples
The old wall clock stopped working yesterday.
The police officer clocked the car at ninety miles per hour.
The boxer clocked his opponent with a powerful right hook.
Phrasal Verbs
clock in
to record the time of arrival at work
She clocked in at eight o'clock sharp.
clock out
to record the time of departure from work
The employees clock out as soon as the shift ends.
clock up
to reach a particular distance or amount
The car has clocked up over a hundred thousand miles.