Timekeeper

1. n. One appointed to mark and declare the time of participants in races or other contests.
2. n. A clock, watch, or other chronometer; a timepiece.
3. n. A person who keeps, marks, regulates, or determines the time.
4. n. A person who keeps a record of the time spent by workmen at their work.
5. n. One who gives the time for the departure of conveyances.
6. n. One who marks the time in musical performances.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.