/ ˈhaɪdrəʊspiːd; NAmE -droʊ-/ ( BrE also hydro·speed·ing ) noun
[ U ] the sport of jumping into a river that is flowing fast, wearing equipment that allows you to float
/ ˈhaɪdrəʊspiːd; NAmE -droʊ-/ ( BrE also hydro·speed·ing ) noun
[ U ] the sport of jumping into a river that is flowing fast, wearing equipment that allows you to float
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005