ornithopter
1. [ noun ] (transportation) heavier-than-air craft that is propelled by the flapping of wings
Synonyms: orthopter
Related terms: heavier-than-air_craft
Similar spelling:   ornithopod
  Ornithopoda
  ornithine
  ornithologist
  ornithosis
  ornithology
  ornithomimid
  Ornithogalum
  Ornithischia
  Ornithomimida
  ornithischian