Meaning of Fowler flap

Fow'ler flap"

Pronunciation: [key]
— Aeron. Aeron.
  1. a 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.