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See ice axe.
[French, from French dialectal, diminutive of piola, small axe, from Old French *piola, from Old Provençal, diminutive of apcha, apia, of Germanic origin; akin to Old High German happa, sickle.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Mountaineering) a type of ice axe
[C19: from French (Savoy) dialect piola axe]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
an ice ax used in mountaineering.
[1865–70; < French < Franco-Provençal; compare piolet, pioula, ders. of apia ax « Germanic]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.