Słownik polsko-angielski 
                        lotn. ornithopter
Wordnet polsko-angielski 
                         (heavier-than-air craft that is propelled by the flapping of wings) 
orthopter, ornithopter 
synonim: ornitopter
lotn. ornithopter
 (heavier-than-air craft that is propelled by the flapping of wings) 
orthopter, ornithopter 
synonim: ornitopter