Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun idle_wheel
1 sense of idle wheel
Sense 1
idle pulley, idler pulley, idle wheel -- (a pulley on a shaft that presses against a guide belt to guide or tighten it)
=> pulley, pulley-block, pulley block, block -- (a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope)