Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

mountain biking

noun
See What's Trending Now See More Trending Words

Definition of mountain biking

: the sport or activity of riding a mountain bike (a type of bicycle that has a strong frame, thick tires, and straight handlebars and that is used for riding over rough ground)

Word by Word Definitions

mountain play

  1. : a landmass that projects conspicuously above its surroundings and is higher than a hill

  2. : an elongated ridge

  3. : a great mass

See the full definition of mountain
bike play biking

  1. : a nest of wild bees, wasps, or hornets

  2. : a crowd or swarm of people

  1. : bicycle

  2. : motorcycle

  3. : motorbike

  1. : to ride a bike

See the full definition of bike

Seen and Heard

What made you want to look up mountain biking? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

bloviate

play

to speak or write verbosely and windily

Get Word of the Day daily email!

TRENDING NOW

  1. lowlife 'a person of low moral character'

  2. kakistocracy 'government by the worst people'

  3. slimeball 'a morally repulsive or odious person'

  4. salacious 'arousing or appealing to sexual desire'

  5. oligarch 'government in which a small group exercises control'

SEE ALL

Love words? Need even more definitions?

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

Words at Play

alt-5ad8fc71357ed
Words We're Watching: 'Bluebeard,' the Verb

No, it's not a coiffure trend

alt-5ad8d3361fb97
Where 'Cliff-hangers' Come From

You're on the edge of your seat

alt-5ad77fad37d22
What the #@*% Is a ‘Grawlix'?

We can thank Beetle Bailey.

alt-5ad76a1542e73
'Altho' vs. 'Although'

Altho doesn't get much love.

Ask the Editors

image1760257654
2017 Word of the Year: Behind the Scenes

How we chose 'feminism'

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

video-literally
Literally

How to use a word that (literally) drives some people nuts.

video-his-or-her
Is Singular 'They' a Better Choice?

The awkward case of 'his or her'

Word Games

image1926873504
Odd Habits and Quirks Quiz

Test your knowledge of strange human behaviors.

Take the quiz
cats-on-impossible-timber
More Confusing Words—Quiz

How many of these commonly confused words do you know?

Take the quiz
How Strong Is Your Vocabulary?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Take the quiz
Dictionary Devil
Dictionary Devil

The dictionary has been scrambled—can you put it back together?

Play the game