winglet
/ˈwɪŋlət/
noun
- A small wing or winglike part, especially a vertical or angled extension at the tip of an aircraft wing that improves fuel efficiency by reducing drag.
- Engineers added winglets to the plane to make it more aerodynamic.
- You can spot the winglets on the ends of the wings of many modern jets.
- The new airplane model features curved winglets that save fuel.
- A small wing or winglike structure on an animal or plant, such as a small projection on a seed or a reduced wing on an insect.
- The winglet on the seed catches the wind and carries it away.
- Some beetles have tiny winglets that are too small for flight.
- The maple seed has a winglet that helps it spin as it falls.