autogyro

1. For the control response, in the whole flight speed range, the attitude angles of autogyro change small, especially the pitch angle.
   全飞行速度范围内姿态变化很小，尤其是纵向俯仰角；

noun

1. an aircraft that is supported in flight by unpowered rotating horizontal wings (or blades)

   Synonym:    autogirogyroplane