noun🔗ShareA wing attached to the hull of a ship that raises it out of the water when travelling at speed and thus reduces drag."The speedboat, equipped with a hydrofoil, skimmed across the lake with surprising speed as it rose out of the water. "nauticalvehiclesailingtechnologymachineChat with AIVocabulary GamePractice Reading
noun🔗ShareA vessel equipped with such a device."The hydrofoil sped across the water, rising up on its underwater wings. "nauticalvehicletechnologymachinesailingdeviceoceanChat with AIVocabulary GamePractice Reading