A device measuring the time of day by the position of a shadow cast by a pole or plate (gnomon) upon an engraved series of marks.
A device used to measure amounts of time.
Any electronic function that causes a device to be able to do something automatically after a preset amount of time.
A person who records the time elapsed in a sporting event.
One who has done something a certain number of times.
One characterized by a certain time or time frame, such as their work hours.