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au·to·gi·roalso au·to·gy·ro (ô′tō-jī′rō)
n. pl. au·to·gi·ros also au·to·gy·ros
An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift.
[Originally a trademark.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
n, pl -ros
(Aeronautics) a self-propelled aircraft supported in flight mainly by unpowered rotating horizontal blades. Also called: gyroplane Compare helicopter
[C20: originally a trademark]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
or au•to•gy•ro(ˌɔ təˈdʒaɪ roʊ)
n., pl. -ros.
an aircraft with an unpowered propeller rotating horizontally to provide lift and a powered propeller for forward propulsion.Also called gyroplane.
[1920–25; formerly a trademark]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||autogiro - an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades); forward propulsion is provided by a conventional propeller|
heavier-than-air craft - a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it
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