
1) Cycle type 2) Sturdy two-wheeled vehicle 3) Vehicle for rough terrain
Found on
https://www.crosswordclues.com/clue/mountain-bike

A mountain bike or mountain bicycle (abbreviated MTB or ATB, for all-terrain bicycle) is a bicycle created for off-road cycling. Mountain bikes are typically ridden on mountain trails, fire roads, logging roads, and other unpaved environments. These types of terrain commonly include rocks, washouts, ruts, loose sand, loose gravel, roots, and steep...
Found on
http://en.wikipedia.org/wiki/Mountain_bike

Designed for trail riding and characterized by upright handlebars, heavy-duty brakes, wide tires, and low gearing. They are used for both recreational and competitive bicycling.
Found on
http://www.americantrails.org/

A type of bicycle which breaks down more often than other types.
Found on
http://www.bikereader.com/contributors/SAM/glossary.html

Mountain bike is London Cockney rhyming slang for a lesbian (dyke).
Found on
http://www.probertencyclopaedia.com/browse/ZM.HTM

[
n] - a bicycle with a sturdy frame and fat tires
Found on
http://www.webdictionary.co.uk/definition.php?query=mountain%20bike
all-terrain bike noun a bicycle with a sturdy frame and fat tires; originally designed for riding in mountainous country
Found on
https://www.encyclo.co.uk/local/20974

A bicycle designed to perform optimally on dirt roads and trails. Manufacturers have created a broad range of subtypes intended for different disciplines: cross country, downhill, dual slalom, freeride, all
Found on
https://www.encyclo.co.uk/local/22521

a bicycle designed for off-road use, typically having a smaller and sturdier frame and smaller and wider tires than a standard bicycle.
Found on
https://www.infoplease.com/dictionary/mountain-bike
No exact match found.