noun
jib
A projecting arm on a crane or similar machine.
The crane's jib extends over the truck to lift the load.
Etymology
The projecting crane arm borrows the nautical name. The sail-name's deeper origin is uncertain, but that does not separate these later uses.
More examples
- Workers inspect the jib for cracks before each shift.
- The short jib supports a hoist above the workbench.
- Both cranes have adjustable jibs for reaching across the site.
Forms
jib · jibs