ornithopter
/ˈɔːrnəθɑːptər/
noun
- A machine that flies by flapping its wings, like a bird or insect.
- The inventor spent years designing an ornithopter that could stay in the air for more than a minute.
- In the museum, we saw a model of Leonardo da Vinci's ornithopter.
- The ornithopter soared over the field, its mechanical wings beating steadily.