Definition of heli-skiing noun from the Oxford Advanced American Dictionary

 

heli-skiing

 noun
noun
NAmE//ˈhɛləˌskiɪŋ//
 
[uncountable]
 
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the sport of flying in a helicopter to a place where there is a lot of snow on a mountain in order to ski there
See the Oxford Advanced Learner's Dictionary entry: heli-skiing