Fowler flap

noun Aeronautics.
  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.

Origin of Fowler flap

named after Harlan D. Fowler, 20th-century American aeronautical engineer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018