An instrument used to measure or keep track of time; a non-portable timepiece.

The odometer of a motor vehicle.

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

An electrical signal that synchronizes timing among digital circuits of semiconductor chips or modules.

To measure the duration of.

To measure the speed of.

“He was clocked at 155 miles per hour.”

To hit (someone) heavily.

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