winglet
(noun)
noun
1. Diminutive of wing
2. (aeronautics) A winglike structure at a wingtip set at an angle to the plane of the wing designed to reduce drag by its effect on wingtip vortices.
(noun)
1. Diminutive of wing
2. (aeronautics) A winglike structure at a wingtip set at an angle to the plane of the wing designed to reduce drag by its effect on wingtip vortices.