plural noun[treated as singular]
A hoisting apparatus made from poles joined at or near the top and separated at the bottom, used for masting ships, installing engines, and hauling heavy objects.
- Today we have steel piles and mechanical pile drivers - then they had only sheer legs and a suspended weight hauled up by hand.
- The monkey bridge is constructed using two sheer legs and bridged with a hawser and handrails secured using pickets.
- Guys attached to the sheer head allow moving the load horizontally by increasing or decreasing the angle of sheer legs off the vertical.
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Line breaks: sheer|legs
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