(n) a device formed like an aircraft which held aloft and propelled by wing movements.
(n) An aircraft that yields lift through the flapping of its wings.
(n) A flying-machine in which an effort was created to copy the oscillatory action of this wings of a bird.
ornithopter in Community Dictionary
A birdlike plane propelled by flapping wings. The ornithopter is seen as a transportation car in Dune. Additionally, it is observed in secret the Gathering tales. Also referred to as " 'thopter " for short. by BulahReport definition