hydrofoil

definition: a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds
example:
speech part: noun
synonyms: hydroplane
definition: 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
example: The fins of a fish act as hydrofoils.
speech part: noun
synonyms: foil
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