jetfoilPronunciation: /ˈdʒɛtfɔɪl/Translate jetfoil | into French | into German | into Italian Definition of jetfoil noun a type of passenger-carrying hydrofoil: [as modifier]:a jetfoil serviceOrigin: 1970s: blend of jet1 and hydrofoiljetfoil in other Oxford dictionaries Definition of jetfoil in the US English dictionary