/ ˈhaɪdrəfɔɪl; NAmE / noun
a boat which rises above the surface of the water when it is travelling fast
—compare hovercraft
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WORD ORIGIN
1920s: from hydro- relating to water , on the pattern of aerofoil .
HYDROFOIL
Meaning of HYDROFOIL in English
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005