Meaning of landing flap

land'ing flap"

Pronunciation: [key]
  1. a flap in the undersurface of the trailing edge of an aircraft wing, capable of being moved downward to increase either lift or drag or both, as for landing. Cf. split flap (def. 1).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.