Sling (climbing equipment) is an item of climbing equipment consisting of a sewn loop of webbing that can be wrapped around sections of rock or tied to other pieces of equipment.
Baby sling, a piece of fabric tied to carry a child or infant.
Sling (firearms), a strap harness attached to a long gun such as a rifle or a shotgun, designed to support the firearm in some intended position on the operator's body.
In heavy equipment
supports a weight by contacting 2 or more points using cable,chains or rope to a single point of lift to evenly distribute weight