he ‧ li-ski ‧ ing /ˈheliˌskiːɪŋ/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: helicopter + skiing ]
the sport of flying a ↑ helicopter to a place in the mountains where you can ↑ ski on deep snow that no one else has skied on
he ‧ li-ski ‧ ing /ˈheliˌskiːɪŋ/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: helicopter + skiing ]
the sport of flying a ↑ helicopter to a place in the mountains where you can ↑ ski on deep snow that no one else has skied on
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012