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noun au·to·gi·ro \ˌ-tō-ˈjī-(ˌ)rō\
plural au·to·gi·ros

Definition of AUTOGIRO

:  a rotary-wing aircraft that employs a propeller for forward motion and a freely rotating rotor for lift

Variants of AUTOGIRO

au·to·gi·ro or au·to·gy·ro \ˌ-tō-ˈjī-(ˌ)rō\

Illustration of AUTOGIRO

Origin of AUTOGIRO

from Autogiro, a trademark
First Known Use: 1907


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