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hash mark definition

☆ hash mark

  1. Mil. Slang service stripe
  2. Football any of the segments of the inbounds line marked on the field at the yard lines: they mark the point at which the ball is put back in play after it has been grounded outside an inbounds line

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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