1. An exercise device consisting of an endless belt on which a person can walk or jog without changing place 
2. A mill that is powered by men or animals walking on a circular belt or climbing steps
   - treadwheel, tread-wheel 
3. A job involving drudgery and confinement
   - salt mine

Derived forms: treadmills

Type of: business, exercise device, grinder, job, line, line of work, mill, milling machinery, occupation

Encyclopedia: Treadmill

• plug hat
• plug in
• plug into
• plug-ugly
• plugboard
• plugged
• plugger
• plughole
• plum
• plum duff
• plum pudding
• plum sauce
• plum tomato
• plum tree
• plum-fruited yew
• plum-yew
• plum-yew family
• plumage
• plumaged
• plumate
• plumb
• plumb bob
• plumb level
• plumb line
• plumb rule