pulley

Noun

A wheel with a grooved rim used to change the direction or magnitude of a force applied to a rope or cable.

ریشه

From Old French 'polie' meaning 'pulley' or 'roller', derived from Latin 'polus' meaning 'pivot' or 'axis'.

مثال

• The pulley system made it easier to lift heavy objects.
• He used a pulley to hoist the sail.
• The mechanic replaced the broken pulley in the engine.

ترکیب‌های رایج

Hoist a pulley Attach a pulley Operate a pulley Replace a pulley