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headache definition

head·ache (hed′āk′)

noun

  1. a continuous pain in the head
  2. ☆ Informal a cause of worry, annoyance, or trouble

Etymology: ME hevedeche < OE heafodece

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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