Definition of "biking" []

• The sport of riding a bicycle. (noun)
• Present participle of bike. (verb)

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• "Last night I watched Klunkerz, a 2007 documentary that traces the roots of mountain biking back to late-1960s Marin County, California."
• "Walking or biking is not practicle for the great majority of trips which are made in motor vehicles."
• "Mountain biking was spawned by a group of hippies and scofflaws (including current industry big-wigs Joe Breeze and Gary Fisher) who enjoyed getting high and bombing through the woods around Mount Tamalpais."