timekeeper
noun
- person who measures time with the assistance of a clock or stopwatch
- a person who controls or records official times during a contest (such as a race or game)
- timepiece
- a clerk who keeps records of the time worked by employees
Wiktionary
noun
Etymology: From time + keeper.
- A device that shows the time; a timepiece.
“The sailors sail by chronometers that do not lose two or three seconds in a year, ever since [Isaac] Newton explained to Parliament that the way to improve navigation was to get good watches, and to offer public premiums for a better time-keeper than any then in use.”
- A person who keeps records of the hours of attendance of employees.
- A person who records the time elapsed in a sporting event.
- The group member who controls the rhythm of the music when a group of musicians play together.
“There was no consensus among jazz musicians about who was the primary timekeeper in a jazz band; some said the drummers and others said the bassist.”
- A person (or something controlled by a person) that is punctual.
“As it happens, the Leicester–Beeston train is quite a good timekeeper—it sometimes runs a few minutes early— […]”