pulley
noun
[ ˈpʊli ]
• a wheel with a grooved rim around which a cord passes, which acts to change the direction of a force applied to the cord and is used to raise heavy weights.
pulley
verb
• hoist with a pulley.
• "the tree house was built on the ground and pulleyed into the branches"
Origin:
Middle English: from Old French polie, probably from a medieval Greek diminutive of polos ‘pivot, axis’.
