(1):
(n.) A clock, watch, or other chronometer; a timepiece.
(2):
(n.) One appointed to mark and declare the time of participants in races or other contests.
(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.