Noun
snowboard cross (uncountable)
(snowboarding) A downhill snowboard race over obstacles with many simultaneous racers.
Synonyms: boardercross, boarder-X
Coordinate terms: (analogous skiing discipline) ski cross, (analogous ice skating disciple) ice cross downhill, (analogous bicycle disciple) BMX racing, (analogous outdoor motorcycle disciple) motocross, (analogous indoor motorcycle disciple) supercross