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control surface
noun
- any movable airfoil, as a rudder, flap, or aileron, for guiding or controlling an aircraft or missile in flight.
control surface
noun
- a movable surface, such as a rudder, elevator, aileron, etc, that controls an aircraft or rocket
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Word History and Origins
Origin of control surface1
First recorded in 1915–20
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Example Sentences
The big double tail, or rudder, which responded to these movements, was the only steering or control surface used.
From Project Gutenberg
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