1. climbing a vertical rope or fixed rope using a mechanical ascender or jumars
Usage: mountaineering and rock climbing term; present participle of jummar

1. the act or technique of climbing a rope using mechanical ascenders
Usage: mountaineering and rock climbing term

Examples

• The climber was jumarring up the fixed rope to reach the next camp.
• Jumarring requires proper technique to avoid fatigue and injury.
• She practiced jumarring on the training wall before attempting the expedition.
• The team spent hours jumarring through the vertical ice section.
• Jumarring is an essential skill for big wall climbing.
• He improved his jumarring speed with consistent practice.