n (context|weapon) An instrument for throwing stones or other missiles, consisting of a short strap with two strings fastened to its ends, or with a string fastened to one end and a light stick to the other.
n A loop of rope, or a rope or chain with hooks, for suspending a barrel, bale, or other heavy object, in hoisting or lowering.
n (climbing) A loop of rope or fabric tape used for various purposes: e.g. as part of a runner, or providing extra protection when abseiling or belaying.