Dictionary Home » Dictionary Definitions » autogiro

autogiro

(ôt′ə jī′rō)

an aircraft that moves forward by means of a propeller and is supported in the air mainly by means of a large rotor mounted horizontally above the fuselage and turned by air pressure rather than motor power: largely superseded by the helicopter

Origin: Sp, orig. a trademark, Autogiro < auto-, auto- + Gr gyros, a circle: see gyrate

See autogiro in American Heritage Dictionary 4

also au·to·gy·ro

noun 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.

Origin:

Origin: Originally a trademark

link/cite print suggestion box

More from YD