pulley

Meanings

1. 1
   noun

   a grooved wheel over which a rope, belt, or chain runs, used to change the direction of a force or help lift a load

   A fixed pulley let the worker raise the bucket by pulling downward.

2. 2
   verb

   to raise, lower, or move something by means of a pulley

   The crew pulleyed the equipment onto the roof.

Common collocations

• idler pulley Noun + noun

From Middle English puly, from Old French polie or poulie, ultimately from Medieval Latin polidium and Ancient Greek polos ("pivot, axis"). Its resemblance to pull later encouraged a folk-etymological association in English.

Topics

External links

• Cambridge Dictionary
• Wiktionary
• Google Images