rolleron

R1O1L1L1E1R1O1N1

noun

An aerodynamic control surface device, used to control against unwanted rolling (rotation) about the axis of movement. The moving wingtip is self-gyro-stabilized with a rolling bladed wheel catching the airstream, providing the gyroscopic moment.

OriginEnglish aileron ← French aileron ← Middle French aisle →
Scrabble 8
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Meanings

nounrolleron (plural rollerons)

plural rollerons

  1. aeronauticsAn aerodynamic control surface device, used to control against unwanted rolling (rotation) about the axis of movement. The moving wingtip is self-gyro-stabilized with a rolling bladed wheel catching the airstream, providing the gyroscopic moment.

Origin

  1. Proto-Indo-European*Hreth₂-
  2. Proto-Indo-European*Hróth₂eh₂
  3. Proto-Italic*rotā
  4. Latinrota
  5. Latinrotula
  6. Latinrotulāre
  7. Old Frenchroeler
  8. Middle Englishrollen
  9. Englishroll
  10. Proto-Indo-European*h₂eǵ-?
  11. Proto-Indo-European*h₂eḱs-
  12. Proto-Italic*aksis
  13. Latinaxis
  14. Latin*axla
  15. Latināla
  16. Old Frenchaile
  17. Middle Frenchaisle
  18. Frenchaile
  19. Frenchaileron
  20. Englishaileron
  21. Englishrolleron

Blend of roll + aileron.

Full word history & related roots →
Cite this entry
APA

rolleron. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/rolleron

MLA

“rolleron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rolleron. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “rolleron,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/rolleron.

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