| 1. | a person or thing that keeps time. |
| 2. | an official appointed to time, regulate, and record the duration of a sports contest or its component parts, as to give the official time of a race, assure that a round of boxing is ended exactly on time, or announce to football, basketball, hockey, etc., teams the amount of time left to play. |
| 3. | a timepiece: This watch is a good timekeeper. |
| 4. | a person employed to keep account of the hours of work done by others. |
| 5. | a person who beats time in music. |