Polyspast

Origin

From Latin polyspaston ("hoisting-tackle with many pulleys"), from Ancient Greek πολύσπαστον (poluspaston, "compound pulley")

Full definition of polyspast

Noun

1. A machine consisting of many pulleys
• 1849, Adalbert, Travels of His Royal Highness Prince Adalbert of Prussia, page 275,The Bishop of Chrysopolis, his Majesty's former tutor, consecrated the foundation-stone, which was suspended from two elegant polyspasts; the Emperor himself laid it.
2. (surgical) A machine of many pulleys, formerly used to reduce dislocation
3. (mechanics) A windlass with many pulleys and truckles