pulley-block


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Noun1.pulley-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 ropepulley-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
block and tackle - pulley blocks with associated rope or cable
bullock block, bollock - a pulley-block at the head of a topmast
fairlead - a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
idle pulley, idle wheel, idler pulley - a pulley on a shaft that presses against a guide belt to guide or tighten it
simple machine, machine - a device for overcoming resistance at one point by applying force at some other point