smallest component of rope. formed from twisted fibers of the component material(s). Contrast with strand.
Merriam-Webster Online Dictionary
yarn (noun)1.
a) a continuous often plied strand composed of either natural or man-made fibers or filaments and used in weaving and knitting to form cloth
b) a similar strand of another material (as metal, glass, or plastic)
2.
a narrative of adventures , especially a tall tale - a roaring good yarn
intransitive verb
to tell a yarn
yarn (Wikipedia)
Yarn is a long continuous length of interlocked fibres, suitable for use in the production of textiles, sewing, crocheting, knitting, weaving, embroidery, or ropemaking.Thread is a type of yarn intended for sewing by hand or machine. Modern manufactured sewing threads may be finished with wax or other lubricants to withstand the stresses involved in sewing.Embroidery threads are yarns specifically designed for needlework.