What does "flaperon" mean?

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).

Flaperon

//ˈflæpərɒn// noun

noun ·Rare ·Advanced level

Definitions

Noun

1
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).

Etymology

Blend of flap + aileron.

Related phrases

angle of attack

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.