Dictionary

treadmill

noun tread·mill \ˈtred-ˌmil\

: an exercise machine which has a large belt that moves around while a person walks or runs on it

: a boring or tiring activity, job, etc., in which you repeatedly do the same things

Full Definition of TREADMILL

1
a :  a mill worked by persons treading on steps on the periphery of a wide wheel having a horizontal axis and used formerly in prison punishment
b :  a mill worked by an animal treading an endless belt
c :  a device having an endless belt on which an individual walks or runs in place for exercise or physiological testing
2
:  a wearisome or monotonous routine resembling continued activity on a treadmill <the office treadmill>

Examples of TREADMILL

  1. the treadmill of exhausting family schedules
  2. <the treadmill of the morning commute to work>

First Known Use of TREADMILL

1822

treadmill

noun tread·mill \ˈtred-ˌmil\   (Medical Dictionary)

Medical Definition of TREADMILL

:  a device having an endless belt on which an individual walks or runs in place that is used for exercise and in tests of physiological functions—see stress test

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