A device for showing time is an essential tool to keep track of daily activities. Aside from the traditional clock and watch, there are other synonyms for this device. A timepiece is a device that shows the time of day. It can be a mechanical clock, digital watch, or any other instrument that can measure time. A chronometer is a highly accurate instrument used to measure time in scientific experiments. A timer is a device that counts down to a specific time or event, often used in cooking or sports. A sundial is an ancient device that uses the sun's position to show time. With several devices available, it's easy to find the best option to fit your needs.