Definition of aileron
: a movable airfoil at the trailing edge of an airplane wing that is used for imparting a rolling motion especially in banking for turns — see airplane illustration
Recent Examples of aileron from the Web
Framing all those air inlets are unique aero bits like twin front dive planes, an extra-long splitter, and a proper pitched aileron at the rear, all of which conspire to generate 300 pounds (136kg) of downforce at 150mph (241km/h).
The jet lost its right aileron in the impact, the right wingtip fuel tank was sheared off and the nose cone was banged up, according to the NTSB report and photos filed with it.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aileron.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
AILERON Defined for English Language Learners
Definition of aileron for English Language Learners
: a part of an airplane wing that can be moved up or down to cause the airplane to turn
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