Cross-training is defined as the act of participating in many different sports at once.(noun)
An example of cross-training is when a high school girl is training and competing on the volleyball, softball, basketball and cheerleading teams.
The definition of cross-training is something that relates to many different sports.(adjective)
An example of cross-training is a pair of cross-training sneakers that can be used for multiple types of sports.
See cross-training in Webster's New World College Dictionary
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