variants: or less commonly cyclogyro \ ¦⸗⸗ at cyclo-​+¦jī(ˌ)rō \
plural -s

Definition of cyclogiro

: a rotary-wing aircraft whose support in the air is normally derived from airfoils arranged like the paddles of a paddle wheel, mechanically rotated about horizontal axes perpendicular to the plane of symmetry of the aircraft, and having an angle of attack that is always less than the stalling angle

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History and Etymology for cyclogiro

cycl- + giro, gyro

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