BMX
noun /ˌbiː em ˈeks/
/ˌbiː em ˈeks/
- [countable] a strong bicycle which can be used for riding on rough groundTopics Sports: other sportsc1
- (also BMXing)[uncountable] the sport of racing BMX bicycles on rough groundTopics Sports: other sportsc1
Word Origin1970s: from the initial letters of bicycle motocross, with X standing for cross.