Motocross (noun)

1. An off-road motorcycle racing sport, typically held on a circuit featuring jumps and other obstacles.
2. A race in which participants compete on off-road motorcycles.
3. A style of motorcycle racing that emphasizes speed, skill, and power.

Origin:

The word motocross is derived from the french word 'motocyclette' meaning motorcycle and 'cross' meaning cross-country. the sport of motocross involves off-road motorcycle racing on rough terrain.

Examples:

1. The motocross championship was a thrilling event, with racers pushing their motorcycles to the limit on the rough, challenging terrain.
2. The motocross racer was known for his fearless style, soaring over jumps and powersliding through turns.
3. The motocross bike was a specially designed machine, built for the rigors of off-road racing.
4. The motocross fans were passionate about the sport, cheering loudly for their favorite racers.
5. The motocross track was a demanding test of skill and endurance, requiring racers to be in peak physical and mental condition.