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hydroplane

 - 5 dictionary results

hy⋅dro⋅plane

[hahy-druh-pleyn] noun, verb, -planed, -plan⋅ing.
–noun
1. a seaplane.
2. an attachment to an airplane enabling it to glide on the water.
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.
4. a horizontal rudder for submerging or elevating a submarine.
–verb (used without object)
5. to skim over water in the manner of a hydroplane.
6. to travel in a hydroplane.
7. 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:
1900–05; hydro- 1 + plane 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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hy·dro·foil   (hī'drə-foil')   
n.  
  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.

hy·dro·plane   (hī'drə-plān')   
n.  
  1. See seaplane.

  2. A motorboat designed so that the prow and much of the hull lift out of the water and skim the surface at high speeds.

  3. See hydrofoil.

  4. A horizontal rudder on a submarine.

intr.v.   hy·dro·planed, hy·dro·plan·ing, hy·dro·planes
  1. To drive or ride in a hydroplane.

    1. To skim along on the surface of the water.

    2. To be or go out of control by skimming along the surface of a wet road. Used of a motor vehicle.

sea·plane   (sē'plān')   
n.  An airplane equipped with floats for landing on or taking off from a body of water. Also called hydroplane.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

hydroplane  (n.)
1904, coined in Amer.Eng. with sense of "motorboat that glides on the surface of water," from hydro-, comb. form of Gk. hydor "water" + plane (from airplane). The verb is first attested 1914, "to skim the surface of water by use of hydroplanes;" meaning "skid on a thin layer of water" (esp. of automobile tires) first recorded 1962, properly aquaplane (1961 in this sense).
Online Etymology Dictionary, © 2001 Douglas Harper
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