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English definition of “trampoline”

trampoline

noun [C] uk   /ˈtræm.pəl.iːn/ us    /ˌtræm.pəˈliːn/
a piece of sports equipment that you jump up and down on, consisting of a piece of strong material joined by springs to a frame
trampolining
noun [U] uk   /-ɪŋ/ us  
Rebecca's main hobby is trampolining.
trampolinist
noun [C] uk   /ˌtræm.pəˈliː.nɪst/ us  
She was a very good trampolinist when she was at school.
(Definition of trampoline from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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