Exerciser (noun)

1. A device used to perform physical exercise, especially one that provides resistance or helps to maintain balance and coordination.
2. A person who engages in physical exercise regularly, especially as part of a fitness routine.

Origin:

From old french exerciser ("to exercise"), from latin exercitare, from exercitus ("trained, exercised"), from ex- ("out") + arcitus, past participle of arcere ("to hold off, restrain").

Examples:

1. The exerciser helped to strengthen the muscles and improve flexibility.
2. The exerciser was a convenient way to get a workout at home.
3. The exerciser was a popular item among fitness enthusiasts.
4. The exerciser was designed to target specific areas of the body and provide an effective workout.
5. The exerciser was an essential tool in maintaining physical health and wellness.