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| rud·der [ rúddər ] (plural rud·ders) |
noun |
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1. means of steering boat or ship: a means of steering a boat or ship, usually in the form of a pivoting blade under the water, mounted at the stern and controlled by a wheel or handle tiller
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2. airfoil for steering airplane: an airfoil, usually on the tail of an airplane, that pivots vertically and controls left-to-right movement
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3. controlling force: a guiding or controlling force or influence
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| [ Old English rōþer< Germanic] |
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 rud·der·less adjective |
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