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Dictionary


rud•der



Pronunciation: (rud'ur), [key]
—n.
1. Naut.a vertical blade at the stern of a vessel that can be turned horizontally to change the vessel's direction when in motion.
2. Aeron.a movable control surface attached to a vertical stabilizer, located at the rear of an airplane and used, along with the ailerons, to turn the airplane.
3. any means of or device for governing, directing, or guiding a course, as a leader or principle: His ideas provided a rudder for the new company.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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