mountain bike
noun
a bicycle designed for off-road use, typically having a smaller and sturdier frame and smaller and wider tires than a standard bicycle.
Origin of mountain bike
1985–90
Also called all-terrain bike.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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mountain bike
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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