prusik

noun mountaineering
  1. Also: prusik knot a sliding knot that locks under pressure and can be used to form a loop (prusik loop) in which a climber can place his foot in order to stand or ascend a rope
verb -siks, -siking or -siked (intr)
  1. to climb (up a standing rope) using prusik loops

Word Origin for prusik

C20: named after Dr Prusik, Austrian climber who devised the knot
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Contemporary Examples of prusik