boltrope

[bohlt-rohp] /ˈboʊltˌroʊp/
noun
1.
Nautical. a rope or the cordage sewn on the edges of a sail to strengthen it.
2.
a superior grade of rope.
Also, bolt rope.
Origin
1620-30; bolt1 + rope
British Dictionary definitions for boltrope

boltrope

/ˈbəʊltˌrəʊp/
noun
1.
(nautical) a rope sewn to the foot or luff of a sail to strengthen it
Word Origin
C17: from bolt1 + rope