Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun orthopter

1 sense of orthopter

Sense 1
orthopter, ornithopter -- (heavier-than-air craft that is propelled by the flapping of wings)
       => heavier-than-air craft -- (a non-buoyant aircraft that requires a source of power to hold it aloft and to propel it)