The term orthopter, or ornithopter, meaning bird wing, is applied to such flying machines as depend on wing motion to support them in the air.    From Wordnik.com.  [Aeroplanes] Reference

If I had stopped to guess I would probably have considered the author a longicorn beetle or some fiddling orthopter.    From Wordnik.com.  [Edge of the Jungle] Reference

Two of them, the aeroplane, and the orthopter, have prototypes in nature, and are distinguished by their respective similarities to the soaring birds, and those with flapping wings.    From Wordnik.com.  [Aeroplanes] Reference

This principle, however, affords a safer means of navigating than the orthopter type, because the blades of such an instrument can be forced through the air with infinitely greater speed than beating wings, and it devolves on the inventor to devise some form of apparatus which will permit the change of pull from a vertical to a horizontal direction while in flight.    From Wordnik.com.  [Aeroplanes] Reference