sheerlegs
/ʃɪrˌlɛɡz/
noun
- A tall, strong structure used for lifting heavy objects, made of two long poles joined at the top with ropes or cables.
- At the construction site, sheerlegs helped move steel beams into place.
- The workers used sheerlegs to lift the heavy engine onto the ship.
- The old harbor still has a set of sheerlegs for loading cargo.