jumar

/ (ˈdʒuːmə) /

noun mountaineering

Also called: jumar clamp a clamp with a handle that can move freely up a rope on which it is clipped but locks when downward pressure is applied

verb (intr)

to climb (up a fixed rope) using jumars

Word Origin for jumar

C20: Swiss name
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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