treadmill
/ˈtɹɛd.mɪl/ noun B1- A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.
- A mill worked by persons treading upon steps on the periphery of a wide wheel having a horizontal axis. It was used principally as a means of prison discipline.
- A mill worked by horses, dogs, etc., treading an endless belt.
- A process or situation in which continued effort leads to or is required for remaining at a particular state or level without moving ahead.
Plural treadmills
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