Chronograph (noun)

An instrument for measuring and recording time intervals, especially in the form of a wristwatch with a stopwatch function.

Origin:

French chronographe, from greek khronos time + french -graphe -graph.

Examples:

1. The runner used the chronograph on his wrist to time his races.
2. The pilot relied on the chronograph to navigate his flight.
3. The scientist used the chronograph to measure the reaction time of the subjects.
4. The chronograph was a valuable tool for the race car driver to measure lap times.
5. The chronograph was a sleek and stylish accessory that was both functional and fashionable.