pi·ton 
(pētŏn′)
(pētŏn′)n.
A metal spike fitted at one end with an eye for securing a rope and driven into rock or ice as a support in mountain climbing.
[French, from Old French, nail.]
pitonleft to right: horizontal, tubular, and ring wafer pitons
- indestructible
- indestructibleness
- indestructibly
- in detail
- indeterminable
- indeterminably
- indeterminacy
- indeterminate
- indeterminately
- indeterminateness
- indetermination
- indeterminism
- indeterminist
- indeterministic
- index
- indexation
- index case
- indexer
- index finger
- index fossil
- index fund
- indexical
- index number
- index of refraction
- India