A wheel with a groove for a rope to run on, as in a pulley block.
More example sentences
- The notched wheel shape that is used in a pulley is actually called a sheave, which is more what I meant.
- He replaced the sheaves and pulleys with a direct coupling.
- A heavier line and finally a steel rope then followed, a wooden box was slung on two steel sheaves from the steel rope and pulled by a steel wire from both ends and a windless operated by an African.
Middle English: from a Germanic base meaning 'wheel, pulley'.