In aviation, a planform is the shape and layout of an airplane's wing. Of all the myriad planforms used, they can typically be grouped into those used for low-speed flight, found on general aviation aircraft, and those used for high-speed flight, found on many military aircraft and airliners.
Spitfire shows off its elliptical planform
- Eclipse program QF-106 aircraft in flight, view from tanker.jpg
The delta-winged Convair F-106 Delta Dart