What does pulley mean?
A wheel or grooved block with a rope, chain, or cable wrapped around it, used for lifting or moving heavy loads, or a device consisting of a wheel or pulley block with a grooved rim, used for changing the direction of a force or motion.
Example
"The construction crew used a pulley system to lift the heavy beam into place."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.