A length of rope (usually with handles on each end) that is swung around while someone jumps over it WordNet 3.0 & Open English WordNet

A skipping rope or jump rope is a tool used in the sport of skipping/jump rope where one or more participants jump over a rope swung so that it passes under their feet and over their heads. Wikipedia

Game in which one or more participants jump over a swung rope Wikidata

The primary tool used in the game where one or more participants jump over a rope swung so that it passes under their feet and over their heads. OmegaWiki

The activity, game or exercise in which a person must jump, bounce or skip repeatedly while a length of rope is swung over and under, both ends held in the hands of the jumper, or alternately, held by two other participants. Often used for athletic training and among schoolchildren. Variations involve speed, chants, varied rope and jumper movement patterns, multiple jumpers and/or multiple ropes. Wiktionary

Game or activity. Wiktionary (translation)

An item for play or physical exercise consisting of a length of rope with a handle attached to each end, intended to be swung over and under a person jumping in a continual rhythm. Wiktionary

Rope for play or exercise. Wiktionary (translation)