Definitions

1. noun

a line or cable used for climbing or as a safety line, especially in rock climbing or mountaineering

“The hikers attached a grapeline to the rock face to secure themselves during the ascent.”

2. noun

a line or cable used for towing or pulling an object, such as an aircraft or a vehicle

“The rescue team deployed a grapeline to pull the stranded plane to safety.”

3. verb

to attach a grapeline to something, typically for safety or to pull or tow an object

“The pilot instructed the crew to grapeline the aircraft to the winch to prepare for rescue.”