treadmill

  1. Noun.  A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.
  2. Noun.  A mill worked by persons treading upon steps on the periphery of a wide wheel having a horizontal axis. It is used principally as a means of prison discipline.
  3. Noun.  A mill worked by horses, dogs, etc., treading an endless belt.

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This entry was last updated on RefTopia from its source on 3/20/2012.