Definition of motorsport noun from the Oxford Advanced Learner's Dictionary

 

motorsport

 noun
noun
BrE BrE//ˈməʊtəspɔːt//
 
; NAmE NAmE//ˈmoʊtərspɔːrt//
 
[uncountable](especially British English)(usually North American English motorsports [plural])
 
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the sport of racing fast cars or motorcycles on a special track
See the Oxford Advanced American Dictionary entry: motorsport