autogiro

or au·to·gy·ro

[aw-tuh-jahy-roh]
See more synonyms for autogiro on Thesaurus.com
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the fuselage that provides lift for the machine, with forward propulsion being provided by a conventional propeller: superseded in most applications by the helicopter.

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 for autogiro

chopper, eggbeater, autogiro, whirlybird, copter

Examples from the Web for autogiro

Historical Examples of autogiro


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

Word Origin for autogiro

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