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autogiro

or au·to·gy·ro

[aw-tuh-jahy-roh]
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noun, plural au·to·gi·ros.
  1. an aircraft with an unpowered, horizontally rotating propeller on a shaft above the fuselage that provides lift for the machine, with forward propulsion being provided by a conventional propeller: superseded in most applications by the helicopter.
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Origin of autogiro

First recorded in 1920–25; formerly a trademark
Also called gyrocopter, gyroplane.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

choppereggbeaterautogirowhirlybirdcopter

Examples from the Web for autogiro

Historical Examples

  • The man half cuffed her upright and then hurried her toward the autogiro.

    Janet Hardy in Hollywood

    Ruthe S. Wheeler

  • Suddenly one of them shot toward the autogiro and the rest followed.

    Janet Hardy in Hollywood

    Ruthe S. Wheeler

  • "I am going to buy an autogiro," she announced, with decision.

  • And an autogiro ought to be especially adapted for this kind of thing.

  • Or rather, the top of the autogiro, for it was not wholly visible.


British Dictionary definitions for autogiro

autogiro

autogyro

noun plural -ros
  1. a self-propelled aircraft supported in flight mainly by unpowered rotating horizontal bladesAlso called: gyroplane Compare helicopter
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Word Origin

C20: originally a trademark
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012