“prusik”

The following 2 entries include the term prusik.

Prusik knot

noun

: a knot that is used in mountaineering for tying a small sling to a climbing rope as an aid to one who has fallen into a crevasse and that holds fast when weighted but is movable when unweighted

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Prusik sling

noun

: a small movable sling fastened to a climbing rope by means of a Prusik knot

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