TRAMPOLINING
Meaning of TRAMPOLINING in English
tram ‧ po ‧ lin ‧ ing /ˈtræmpəliːnɪŋ/ BrE AmE noun [uncountable]
the sport or activity of jumping up and down on a trampoline
Longman Dictionary of Contemporary English.
Longman - Словарь современного английского языка.
2012