Definition of piton
: a spike, wedge, or peg that is driven into a rock or ice surface as a support (as for a mountain climber)
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Origin and Etymology of piton
French
First Known Use: 1898
PITON Defined for English Language Learners
piton
play
noun
Definition of piton for English Language Learners
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: a pointed piece of metal used in rock climbing that is hammered into a crack in the rock in order to hold the rope which is attached to the climber
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