part of speech: noun
definition: a device, other than a watch, for measuring and showing the time.
phrase: around the clock
part of speech: verb
inflections: clocks, clocking, clocked
definition: to find out the time or speed of, using a clock or watch.
- We clocked the horse at thirty miles per hour.
Clock is from a Celtic word meaning “bell.” In the 1300s, the time was announced with the sounding of a bell.