BMX

bicycle motocross.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for bmx

We have had them jumped by skateboarders, guys on BMX bikes, and a guy on a motorcycle.
Dude, Where’s My Bus? Fast Times in the Iconic VW Van|Scott Jennings|October 13, 2013|DAILY BEAST
The mom had gone on the page because her 15-year-old son has a keen interest in BMX bicycles.
Was Autumn Pasquale Killed Over a Bicycle? Teen Brothers Charged|Michael Daly|October 24, 2012|DAILY BEAST
Among her 612 friends, one of the first listed is a boy named Kyle whose own profile picture shows him airborne on a BMX bike.
Was Autumn Pasquale Killed Over a Bicycle? Teen Brothers Charged|Michael Daly|October 24, 2012|DAILY BEAST

British Dictionary definitions for bmx

BMX

abbreviation for

bicycle motocross; stunt riding on rough ground or over an obstacle course on a bicycle

a bicycle designed for bicycle motocross

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for bmx

BMX

1978, semi-acronym from bicycle motocross.