Simple Definition of motocross
: the sport of racing motorcycles over a rough course with many hills, sharp turns, etc.
Full Definition of motocross
: a closed-course motorcycle race over natural or simulated rough terrain (as with steep inclines, hairpin turns, and mud); also : the sport of engaging in motocross races
Origin and Etymology of motocross
French, from moto motorcycle (short for motocyclette) + cross-country, from English
First Known Use: 1951
Learn More about motocross
Britannica.com: Encyclopedia article about motocross
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