Meaning of supercross in English:

supercross

(also super-x)

Pronunciation /ˈsuːpəkrɒs/ /ˈsjuːpəkrɒs/

noun

US
  • A form of motocross staged on indoor, man-made tracks featuring numerous jumps and obstacles. Originally and frequently attributive.

Origin

1970s; earliest use found in Evening Independent (Massillon, Ohio). From super- + -cross.