Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A sturdy bicycle distinguished by wide tires and horizontal handlebars, often used for off-road cycling. Also called dirt bike, trail bike.
Wiktionary
- n. A bicycle specially designed for off-road riding, typically with straight, flat handlebars, a heavier frame than road bikes, higher ground clearance, and wider tires, sometimes with knobs on them for greater traction.
- abbr. mountain bike (bicycle and sport)
WordNet 3.0
- n. a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country
Examples
“Volunteers Russell Jones and Randy Lake of the Emery County search-and-rescue team met in the area of the Lower Black Box and took all-terrain vehicles in to check the most inaccessible trailhead that normally can be reached only by mountain bike or on foot.”
“My five-day road trip will culminate on Sunday night with an unsupported solo attempt to mountain bike the 108-mile White Rim Trail in Canyonlands National Park.”
“The mountain bike that came free with the washing machine just needed the tyres pumped.”
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