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plural hydrofoils
(nautical) A wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag. examples
(nautical) A vessel equipped with such a device. examples
third-person singular simple present hydrofoils, present participle hydrofoiling, simple past and past participle hydrofoiled
(nautical) To operate or use or ride atop a hydrofoil wing on a hull so equipped. examples