hydrofoil

Noun
  1. 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 (synset 103558199)
    "the fins of a fish act as hydrofoils"
    is a type of: device - an instrumentality invented for a particular purpose
    same as: foil
  2. A speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds (synset 103557929)
    "the museum houses a replica of the jet hydroplane that broke the record"
    is a type of: speedboat - a fast motorboat
    same as: hydroplane

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