Noun: hydrofoil 'hI-dru,foyl
- A speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
"the museum houses a replica of the jet hydrofoil that broke the record";
- hydroplane
- A device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
"the fins of a fish act as hydrofoils";
- foil
Derived forms: hydrofoils
Encyclopedia: Hydrofoil