Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
1. A winglike structure attached to the hull of a boat that raises all or part of the hull out of the water when the boat is moving forward, thus reducing drag.
2. A boat equipped with hydrofoils. Also called hydroplane.
1. (Nautical Terms) a fast light vessel the hull of which is raised out of the water on one or more pairs of fixed vanes
2. (Nautical Terms) any of these vanes
1. a surface form creating a thrust against water in a direction perpendicular to the plane approximated by the surface.
a. a winglike member having this form, designed to lift the hull of a moving vessel.
b. a vessel with hydrofoils.
Switch to new thesaurus
|Noun||1.||hydrofoil - 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"
|2.||hydrofoil - 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