Definitions for "piton"
Keywords:  spike, hammer, climbs, trads, carabiner
A metal spike having a sharpened point on one end, and a hole through which a rope can be passed on the other; it is driven into the face of a rock cliff during climbing, and used as an anchor point for a rope.
A sharp metal tool used by climbers that can be jammed into crevasses to assist with ascending a vertical slope. Climbers tie ropes to the outer edge of the piton, called the "eye."
A long-nosed, spike shaped, piece of metal driven into cracks for protection or aid.