pulley -
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
fairlead a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
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Wiktionary
Substantiv
Pulley -
One of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object more useful when two or more pulleys are used together such that a small force moving through a greater distance can exert a larger force through a smaller distance.
Verb
Pulley -
To raise or lift by means of a pulley.
Wikipedia
A pulley, also called a sheave or a drum, is a mechanism composed of a wheel on an axle or shaft that may have a groove between two flanges around its circumference. A rope, cable, belt, or chain usually runs over the wheel and inside the groove, if present. Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.
OmegaWiki Dictionary
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Pulley A tool, consisting of a set of wheels around which a rope is led, meant to lift or move a load more lightly.