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high-water mark definition

high-water mark (hī′wôt′ər)

  1. the highest level reached by a body of water in tidal flow, flood, etc.
  2. the mark left after high water has receded
  3. a culminating point; highest point

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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