Word Study
piton
WORDNET DICTIONARY
Noun piton has 1 sense
CIDE DICTIONARY
piton, n.
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. [PJC]
OXFORD DICTIONARY
piton, n. a peg or spike driven into a rock or crack to support a climber or a rope.
Etymology
F, = eye-bolt
For further exploring for "piton" in Webster Dictionary Online