mountain bike

noun

: an all-terrain bicycle with wide knobby tires, straight handlebars, and typically 18 to 21 gears
mountain bike intransitive verb
mountain biker noun

Examples of mountain bike in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Cap off a mountain bike ride with a round of beers? Laura L. Davis, The Tennessean, 2 July 2025 Trails in the downhill mountain bike park at crange from flowy and beginner-friendly Mainline to thrill-chasing Derailer and Steam Punk. Melanie Haiken, Outside Online, 23 July 2025 At the time he was seen leaving his home, the teen was seen sporting a gray shirt, green jacket, jeans and riding a multi-colored mountain bike, according to the sheriff's office. Sam Gillette, People.com, 29 July 2025 The new plan will have a mountain bike course, which is designed for children to learn biking skills, and a Ninja course for kids to challenge themselves. Pili Saravia, Austin American Statesman, 24 July 2025 See All Example Sentences for mountain bike

Word History

First Known Use

1966, in the meaning defined above

Time Traveler
The first known use of mountain bike was in 1966

Browse Nearby Words

Cite this Entry

“Mountain bike.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mountain%20bike. Accessed 22 Aug. 2025.

Kids Definition

mountain bike

noun
: a bicycle with wide knobby tires and many gears for use on all kinds of terrain
mountain bike verb

More from Merriam-Webster on mountain bike

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!