0 a spike (= a piece of metal with a sharp point at one end) that climbers put in cracks in the rock to support them or to attach a rope to :
He connected his rope to a piton projectile and fired it across the chasm.
Mountaineers have various safety equipment—helmets, running belays, pitons, karabines, and so on—which is not compulsory, but which most sensible climbers use.
The piton is an emergency reserve and not the basis for a method of working. 5.
Pitons and carabiners were just starting to be effectively adapted for use in the mountains.
It conceals a piton hidden behind the buckle.
Pitons using cracks or holes in the rock are considered unsportsmanlike.
