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1. The degree or amount that something, such as an archery bow, curves back or in another direction.
2. A change in direction of a tropical cyclone, usually toward a pole and eastward.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.