ORNITHOPTER
A heavier-than-air aircraft supported in flight chiefly by the reactions of the air on planes to which a flapping motion is imparted.
ORNITHOPTER
A heavier-than-air aircraft supported in flight chiefly by the reactions of the air on planes to which a flapping motion is imparted.
comment
A heavier-than-air aircraft su ...... a flapping motion is imparted.
label
ORNITHOPTER