Wiktionary
rope yarn
n. 1 Yarn or thread, composing the strands of a rope. 2 A yarn of fibers, twisted up loosely and right-handedly.
WordNet
rope yarn
n. the strands out of which ropes are made
Usage examples of "rope yarn".
She'd reached for a tuft of rope yarn to bind the fool's mind to whatever purpose she chose—.
He once more passed the quarter-deck with the wind whistling through the rigging, all sails unfurled in a half gale, everything carrying on to the last rope yarn.