411 REFERENCE · Wiktionary
Fowler flap
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Invented by Harlan D. Fowler in 1924.
Noun
en aeronautics A split flap that slides backwards before hinging downward, thereby increasing first chord, then camber. It may or may not form part of the upper surface of the wing.
en eponyms