Definition of BMX in English:

BMX

noun

  • 1usually as modifier Organized bicycle racing on a dirt track, especially for youngsters.

    as modifier ‘a BMX track’
    1. 1.1 A kind of bicycle designed to be used for organized racing on a dirt track.

Origin

1970s: from the initial letters of bicycle motocross, with X standing for cross.

Pronunciation

BMX

/ˌbiˌɛmˈɛks//ˌbēˌemˈeks/