Wiktionary
bolt rope
n. A rope sewn around the edge of a sail to prevent tearing
Usage examples of "bolt rope".
The other hand had hauled in the traveller, to which the bolt rope of the jib was still attached, and hauling on this had got the block down and in readiness for fastening on the new jib.
But it was a short-lived respite: with a bang liked a 32-pounder being fired, the sail blew out, scraps of flax flying off to leeward and a few strips still attached to the bolt rope streaming out like tattered banners.
The Indian woman leaned over the boom to examine the stitching of the bolt rope, and at that moment I heard Thompson's harsh voice.