"timekeeper" in the noun sense
1. timekeeper, timer
sports) an official who keeps track of the time elapsed
2. timekeeper
a clerk who keeps track of the hours worked by employees
3. timepiece, timekeeper, horologe
a measuring instrument or device for keeping time
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License