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