'Idle wheel' definitions:

Definition of 'idle wheel'

From: WordNet
noun
A pulley on a shaft that presses against a guide belt to guide or tighten it [syn: idle pulley, idler pulley, idle wheel]

Definition of 'Idle wheel'

From: GCIDE
  • Idle \I"dle\, a. [Compar. Idler; superl. Idlest.] [OE. idel, AS. [imac]del vain, empty, useless; akin to OS. [imac]dal, D. ijdel, OHG. [imac]tal vain, empty, mere, G. eitel, Dan. & Sw. idel mere, pure, and prob. to Gr. ? clear, pure, ? to burn. Cf. Ether.]
  • 1. Of no account; useless; vain; trifling; unprofitable; thoughtless; silly; barren. "Deserts idle." --Shak. [1913 Webster]
  • Every idle word that men shall speak, they shall give account thereof in the day of judgment. --Matt. xii. 36. [1913 Webster]
  • Down their idle weapons dropped. --Milton. [1913 Webster]
  • This idle story became important. --Macaulay. [1913 Webster]
  • 2. Not called into active service; not turned to appropriate use; unemployed; as, idle hours. [1913 Webster]
  • The idle spear and shield were high uphing. --Milton. [1913 Webster]
  • 3. Not employed; unoccupied with business; inactive; doing nothing; as, idle workmen. [1913 Webster]
  • Why stand ye here all the day idle? --Matt. xx. 6. [1913 Webster]
  • 4. Given rest and ease; averse to labor or employment; lazy; slothful; as, an idle fellow. [1913 Webster]
  • 5. Light-headed; foolish. [Obs.] --Ford. [1913 Webster]
  • Idle pulley (Mach.), a pulley that rests upon a belt to tighten it; a pulley that only guides a belt and is not used to transmit power.
  • Idle wheel (Mach.), a gear wheel placed between two others, to transfer motion from one to the other without changing the direction of revolution.
  • In idle, in vain. [Obs.] "God saith, thou shalt not take the name of thy Lord God in idle." --Chaucer.
  • Syn: Unoccupied; unemployed; vacant; inactive; indolent; sluggish; slothful; useless; ineffectual; futile; frivolous; vain; trifling; unprofitable; unimportant.
  • Usage: Idle, Indolent, Lazy. A propensity to inaction is expressed by each of these words; they differ in the cause and degree of this characteristic. Indolent denotes an habitual love to ease, a settled dislike of movement or effort; idle is opposed to busy, and denotes a dislike of continuous exertion. Lazy is a stronger and more contemptuous term than indolent. [1913 Webster]