Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hydrofoil

2 senses of hydrofoil

Sense 1
hydrofoil, foil -- (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")
       => device -- (an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water")

Sense 2
hydrofoil, hydroplane -- (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 hydroplane that broke the record")
       => speedboat -- (a fast motorboat)