a sliding knot that locks under pressure and can be used to form a loop (prusik loop) in which a climber can place his or her foot in order to stand or ascend a rope
verbWord forms: -siks, -siking or -siked(intransitive)
2.
to climb (up a standing rope) using prusik loops
Word origin
C20: named after Dr Prusik, Austrian climber who devised the knot