Definition of "motocross" []

• A cross-country motorcycle race over a closed course of rough terrain with steep hills and sharp curves. Also called scramble. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I always wanted to be successful in motocross racing, but it didn't go my way so I went to BMX racing."
• "His failure to succeed in motocross as Palmer had in mountain biking, the X Games (six gold medals), snowboarding (five world championships) and business (Palmer Snowboards and the multi-million dollar-selling Shaun Palmer's Pro Snowboarder video game) gnawed at his insides for years."
• "Guerrero, however, said that wouldn't be possible without several years of planning because there are more regulations and considerations for a long-term motocross track."