idle pulley

or idler pulley


noun Machinery.

a loose pulley made to press or rest on a belt in order to tighten or guide it.

Nearby words

  1. idioventricular rhythm,
  2. idk,
  3. idle,
  4. idle character,
  5. idle gear,
  6. idle time,
  7. idle wheel,
  8. idleness,
  9. idler,
  10. idler shaft

Origin of idle pulley

First recorded in 1885–1890

Also called idle wheel.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for idle pulley

idle pulley

idler pulley

noun

a freely rotating trolley used to control the tension or direction of a beltAlso called: idler
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012