flap
Anything broad and flexible that hangs loose, or that is attached by one side or end and is easily moved.
Example
“a flap of a garment”
Other meanings
A hinged surface on the trailing edge of the wings of an aeroplane, used to increase lift and drag.
A side fin of a ray.
Kinds of flap
- overlap
- pocket flap
- tent-fly
- tongue
Word history
From Middle English "flap".
Where this comes from
This definition is adapted from “flap” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.