watershed Hear it!

watershed definition

water·shed (-s̸hed′)

noun

  1. a ridge or stretch of high land dividing the areas drained by different rivers or river systems
  2. ☆ the area drained by a river or river system
  3. a crucial turning point affecting action, opinion, etc.

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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