オートジャイロ

noun

autogyro; autogiro

A type of rotorcraft that uses an unpowered rotor for lift and a conventional propeller for thrust. Technical term; not an everyday word.

• オートジャイロはヘリコプターと飛ひ行こう機きの中ちゅう間かんのような航こう空くう機きだ。

  An autogyro is an aircraft that is like a cross between a helicopter and an airplane.