or au·to·gy·ro

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the fuselage that provides lift for the machine, with forward propulsion being provided by a conventional propeller: superseded in most applications by the helicopter.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

Words Nearby autogiro Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use autogiro in a sentence

British Dictionary definitions for autogiro



/ (ˌɔːtəʊˈdʒaɪrəʊ) /

nounplural -ros
  1. a self-propelled aircraft supported in flight mainly by unpowered rotating horizontal blades: Also called: gyroplane Compare helicopter

Origin of 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