piton

/หˆpiหหŒtษ’n/

IPA: /P IH1 T AH0 N/

noun
  1. 1

    A spike, wedge, or peg that is driven into a rock or ice surface as a support (as for a mountain climber).

verb
  1. 1

    To put pitons into a rock/ice to facilitate climbing.

Source: https://en.wiktionary.org/wiki/piton