Noun
running rigging (countable and uncountable, plural running riggings)
(nautical) The ropes used in bracing the yards, making and shortening sail, etc., such as braces, sheets, halyards, clew lines, and the like.
Running rigging is the cordage used to control the shape and position of the sails. Source: Internet
Cordage is divided into two types: standing rigging and running rigging. Source: Internet
Running rigging must be flexible in order to allow smooth movement of the spars and sails, but strong enough for the role it plays. Source: Internet
It was historically made of the same materials as running rigging, only coated in tar for added strength and protection from the elements. Source: Internet