Found 2 items, similar to Idle pulley.
English → English (WordNet) Definition: idle pulley idle pulley n : a pulley on a shaft that presses against a guide belt to guide or tighten it [syn: idler pulley, idle wheel]
English → English (gcide) Definition: Idle pulley Idle \I"dle\, a. [Compar. Idler; superl. Idlest.] [OE. idel, AS. [=i]del vain, empty, useless; akin to OS. [=i]dal, D. ijdel, OHG. [=i]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]