A device that shows the time; a timepiece.
A person (or something controlled by a person) that is or isn't punctual.
A person who keeps records of the hours of attendance of employees.
A person who records the time elapsed in a sporting event.
A device, node or program that transmits the correct time to clients in a network.
A person who conforms to current opinions, especially for reasons of personal advantage; an opportunist.
Someone who performs a job for the required time only, making a minimum of effort.