flaperon

F4L1A1P3E1R1O1N1
/ˈflæpərɒn/

noun

An aircraft control surface at the trailing edge of a wing that acts as an aileron (controlling movement around the longitudinal axis) and a flap (changing the chord line of the wing, thus affecting the angle of attack).

OriginEnglish aileron ← French aileron ← Middle French aisle →
Scrabble 13
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Meanings

nounflaperon (plural flaperons)

plural flaperons

  1. aircraftaeronauticsAn aircraft control surface at the trailing edge of a wing that acts as an aileron (controlling movement around the longitudinal axis) and a flap (changing the chord line of the wing, thus affecting the angle of attack).

Origin

  1. Englishflap
  2. Proto-Indo-European*h₂eǵ-?
  3. Proto-Indo-European*h₂eḱs-
  4. Proto-Italic*aksis
  5. Latinaxis
  6. Latin*axla
  7. Latināla
  8. Old Frenchaile
  9. Middle Frenchaisle
  10. Frenchaile
  11. Frenchaileron
  12. Englishaileron
  13. Englishflaperon

Blend of flap + aileron.

Full word history & related roots →

Rhymes & wordplay

Anagrams

foreplanPenaflor
Cite this entry
APA

flaperon. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/flaperon

MLA

“flaperon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/flaperon. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “flaperon,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/flaperon.

Source: flaperon on Wiktionary, CC BY-SA 4.0.