flaps
/flæps/
noun
- Flat pieces of material attached on one side, used to cover an opening or to move air.
- The tent has flaps that can be tied open or closed.
- The envelope's flaps were sealed with glue.
- He lifted the flaps of the cardboard box to see what was inside.
- Movable parts on the back edge of an airplane wing that help control lift and speed during takeoff and landing.
- You could hear the mechanical whir as the flaps deployed.
- Flaps are essential for a safe takeoff on short runways.
- The pilot extended the flaps to slow the plane for landing.
verb
- Moves up and down or from side to side, especially wings or loose material.
- He flaps the towel to shake off the sand.
- The sail flaps noisily when the wind changes direction.
- The bird flaps its wings and rises into the air.