WordReference Random House Unabridged Dictionary of American English © 2026
Fow′ler flap′, [Aeron.]
- Aeronauticsa flap normally forming a part of the trailing edge of an airplane wing, capable of being moved backward and rotated downward in order to increase lift through increased camber and wing area.
- named after Harlan Dutch. Fowler, 20th-century American aeronautical engineer