A clamp that is attached to a fixed rope and automatically tightens when weight is applied and relaxes when it is removed.brace, vice, press
verbjumars, jumaring, jumared[no object]Climbing
Climb with the aid of a jumar.‘the second climber jumars up the fixed rope’
- ‘I was at the end of fixed ropes and did not wait for Ara to belay me who was still jumaring at the base of the wall.’
- ‘Even so, climbers should be schooled in basic rock climbing and comfortable with jumaring and rappelling.’
- ‘While the others sneaked in a last route or two, Anne ascended a static line, collecting her camera and jumaring toward the sky.’
1960s originally in Swiss use, of unknown origin.
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