My dictionary has ornithopter as "a machine designed to achieve flight by means of flapping wings." Looks like Merriam-Webster agrees: > "an aircraft designed

My dictionary has ornithopter as "a machine designed to achieve flight by means of flapping wings." Looks like Merriam-Webster agrees: > "an aircraft designed to derive its chief support and propulsion from flapping wings" https://www.merriam-webster.com/dictionary/ornithopter https://www.merriam-webster.com/dictionary/ornithopter