Illustration of idler wheel
- idler wheel 1
idler wheel
noun
1
: a wheel, gear, or roller used to transfer motion or to guide or support something
2
: idler pulley
Word History
First Known Use
1929, in the meaning defined at sense 1
- out of tune
- out of turn
- out of wedlock
- out of whack
- out of whole cloth
- out of work
- out on a limb
- out on one's ear
- out sick
- out sister
- out the wazoo
- out the window
- out the ying-yang
- out to
- out to lunch
- out to sea
- out tray
- out West
- out with it
- out-and-out
- out-and-outer
- out-box
- out-clearing
- out-college
- out-country