landing flap
noun
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.
Compare split flap(def 1).
Origin of landing flap
First recorded in 1935–40
Words nearby landing flap
landing beam,
landing card,
landing clerk,
landing craft,
landing field,
landing flap,
landing force,
landing gear,
landing net,
landing page,
landing party