- 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).
Etymology: From polie (French: poulie), from poliva.
- Dutch: katrol
- French: poulie
- German: Rolle
- Spanish: polea
Supplemental Details:Sponsor an extended definition for pulley for as little as $10 per month. Click here to contact us.