Definitions for hydroplaneˈhaɪ drəˌpleɪn

This page provides all possible meanings and translations of the word hydroplane

Random House Webster's College Dictionary

hy•dro•planeˈhaɪ drəˌpleɪn(n.; v.)-planed, -plan•ing.

  1. (n.)a seaplane.

    Category: Aeronautics

  2. an attachment to an airplane enabling it to glide on the water.

    Category: Aeronautics

  3. a light, high-powered boat, esp. one with hydrofoils or a stepped bottom, designed to plane along the surface of the water at very high speeds.

    Category: Nautical, Navy

  4. a horizontal rudder for submerging or elevating a submarine.

    Category: Nautical, Navy

  5. (v.i.)to skim over water in the manner of a hydroplane.

    Category: Navy

  6. to travel in or pilot a hydroplane.

    Category: Navy

  7. (of a vehicle or a tire) to ride on a film of water on a wet surface with a resulting decrease in braking and steering effectiveness.

    Category: Automotive

Origin of hydroplane:



Princeton's WordNet

  1. seaplane, hydroplane(noun)

    an airplane that can land on or take off from water

    "the designer of marine aircraft demonstrated his newest hydroplane"

  2. hydrofoil, hydroplane(verb)

    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"

  3. hydroplane, seaplane(verb)

    glide on the water in a hydroplane


  1. hydroplane(Noun)

    : A specific type of motorboat used exclusively for racing.

  2. hydroplane(Noun)

    A hydrofoil

  3. hydroplane(Noun)

    A seaplane

  4. hydroplane(Noun)

    The wing of a submarine, used to help control depth.

  5. hydroplane(Verb)

    To skim the surface of a body of water while moving at high speed.

  6. Origin: From hydro- "water" + plane


  1. Hydroplane

    A hydroplane is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. A key aspect of hydroplanes is that they use the water they are on for lift rather than buoyancy, as well as for propulsion and steering: when travelling at high speed water is forced downwards by the bottom of the boat's hull. The water therefore exerts an equal and opposite force upwards, lifting the vast majority of the hull out of the water. This process, happening at the surface of the water, is known as ‘planing’.


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