motocross

American  

[moh-toh-kraws, -kros] / ˈmoʊ toʊˌkrɔs, -ˌkrɒs /

noun

1. a timed motorcycle race over a closed course consisting of a winding dirt trail with hills, jumps, sharp turns, and often muddy terrain. MX

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motocross British  

/ ˈməʊtəˌkrɒs /

noun

1. a motorcycle race across very rough ground

2. another name for rallycross See also autocross

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Etymology

Origin of motocross

First recorded in 1945–50; from French: equivalent to moto(rcycle) + cross(-country)

Example Sentences

Indianna Winchester, 28, competed in motocross when she was younger but when her brothers started a lawn mower team, she could not resist getting involved.

From BBC • Aug. 17, 2025

Aidan Zingg, a motocross prodigy who recently signed with Kawasaki’s prestigious Team Green program, died Saturday at age 16 from injuries sustained during the Mammoth Mountain MX event in Mammoth Lakes.

From Los Angeles Times • Jun. 30, 2025

Few were better at it than Mr. Lagerfeld, who with his powdered ponytail, dark glasses and fingerless motocross gloves was a cartoon unto himself, but he was far from the only one.

From New York Times • Jun. 19, 2024

Prosecutors said they were investigating police allegations that the teenager failed to stop while riding his motocross bike along the pavement and, as he fled, hit a police vehicle at a cross section.

From Reuters • Sep. 7, 2023

“In motocross racing, it’s against the rules to get off your bike. I think he cheated.”

From "Ralph S. Mouse" by Beverly Cleary