Crossword Genius

Climber's spike (5)

Ross

I believe the answer is:

piton

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">climber's spike</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>

(Other definitions for piton that I've seen before include "Climber's spike" , "Metal spike used in rock climbing" , "Peg driven into rock in mountain climbing" , "Climber's iron peg" , "What mountaineer requires" .)

I've seen this clue in The Wall Street Journal, The Independent, the Penny Press, The Times, The Sun and the Newsday.
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