Backstroke (noun)

A swimming style where the swimmer lies on their back and move their arms and legs in a backward motion.

Origin:

From "back" and "stroke" meaning a swimming style where the swimmer lies on their back and move their arms and legs in a backward motion.

Examples:

1. The backstroke is a more relaxed swimming style than the breaststroke.
2. He was a backstroke specialist.
3. She was practicing her backstroke in the pool.
4. The backstroke is one of the four competitive swimming styles.
5. The backstroke is less tiring than the front crawl.