- a seaplane.
- an attachment to an airplane enabling it to glide on the water.
- a light, high-powered boat, especially one with hydrofoils or a stepped bottom, designed to plane along the surface of the water at very high speeds.
- a horizontal rudder for submerging or elevating a submarine.
- to skim over water in the manner of a hydroplane.
- to travel in a hydroplane.
- Also aquaplane. (of a vehicular tire or vehicle) to ride on a film of water on a wet surface with a resulting decrease in braking and steering effectiveness.
Origin of hydroplane
Examples from the Web for hydroplane
Speed boat hulls are usually of the hydroplane or sea-sled type.Boys' Book of Model Boats
Raymond Francis Yates
Suddenly Tom became very excited as he looked at the hydroplane.Tom Swift and His Giant Telescope
We called for the coast guard when a hydroplane crashed on Rock Harbor.The Crystal Ball
Roy J. Snell
With her own eyes Greta had seen a helpless one carried from a hydroplane to this place.The Phantom Violin
Roy J. Snell
You dont want to smash that hydroplane and wheel any more than they are.The Motor Boys After a Fortune
- a motorboat equipped with hydrofoils or with a shaped bottom that raises its hull out of the water at high speeds
- an attachment to an aircraft to enable it to glide along the surface of water
- another name (esp US) for a seaplane
- a horizontal vane on the hull of a submarine for controlling its vertical motion
- (intr) (of a boat) to rise out of the water in the manner of a hydroplane
Word Origin and History for hydroplane
by 1908, "to skim the surface of water by use of hydroplanes," from hydroplane (n.). Meaning "skid on a thin layer of water" (especially of automobile tires) first recorded 1962, properly aquaplane (itself from 1961 in this sense). Related: Hydroplaned; hydroplaning.