1. (noun) a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

• block
• pulley block
• pulley-block

1. (noun) a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

• bollock
• bullock block
• fairlead
• idle pulley
• idle wheel
• idler pulley

1. (noun) a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope

• machine
• simple machine