clock
//klɒk//
Noun
clockSingular
clocksPlural
1
An instrument for measuring and displaying time, typically with a dial or digital display and hands or numbers.
There is a clock on the wall.
2
A measuring device resembling a clock, such as a speedometer or taximeter.
The taxi's clock showed the fare was $25.
Synonym
Verb
1
To measure or record the time or speed of something.
The coach clocked her running time at 12 seconds.
2
To register one's arrival or departure at work, especially by using a time clock.
Don't forget to clock in when you arrive at work.
3
To notice or observe something.
Did you clock that strange car parked outside?