
1) Aircraft wing component
Found on
https://www.crosswordclues.com/clue/vortilon

Vortilons are fixed aerodynamic devices on aircraft wings used to improve handling at low speeds. Vortilon is a contraction of VORTex and pYLON words (generating vortices as a leading-edge engine pylon does). Vortilons consist of one or more flat plates attached to the underside of the wing near its leading edge, aligned with the flight direction....
Found on
http://en.wikipedia.org/wiki/Vortilon
No exact match found.