Noun
staff sling (plural staff slings)
A weapon consisting of a short sling at the end of a staff.
staff-sling
Hand-trebuchet The hand-trebuchet ( Greek cheiromangana main) was a staff sling mounted on a pole using a lever mechanism to propel projectiles. Source: Internet
Siege engines The traction trebuchet was a siege engine which uses the power of men pulling on ropes or the energy stored in a raised weight to rotate what was, again, a staff sling. Source: Internet
The staff sling can throw heavy projectiles a much greater distance and at a higher arc than a hand sling. Source: Internet
The staff sling has a similar or superior range to the shepherd's sling, and can be as accurate in practiced hands. Source: Internet