Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

treadmill

play
noun tread·mill \ˈtred-ˌmil\

Simple Definition of treadmill

  • : 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. 1a :  a mill worked by persons treading on steps on the periphery of a wide wheel having a horizontal axis and used formerly in prison punishmentb :  a mill worked by an animal treading an endless beltc :  a device having an endless belt on which an individual walks or runs in place for exercise or physiological testing

  2. 2 :  a wearisome or monotonous routine resembling continued activity on a treadmill <the office treadmill>


TREADMILL Defined for Kids

treadmill

play
noun tread·mill \ˈtred-ˌmil\

Definition of treadmill

  1. 1 :  a device having an endless belt on which an individual walks or runs in place for exercise

  2. 2 :  a tiresome routine




Medical Dictionary

treadmill

play
noun tread·mill \ˈtred-ˌmil\

Medical Definition of treadmill

  1. :  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





Seen and Heard

What made you want to look up treadmill? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

February 14, 2016

to hug and kiss another person

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

16.96 pounds 2.2 pounds 196.5 pounds 100 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ