Roucou,
Anatta, Arnotto.

Rouleau,
Coil or roll made of ribbon or strips of fabric

Rudraksha,
Fruits of the Elacocarpus Canitrus used as roary beads

Rudraksha,
Lit.tears of Shiva. Seeds of the Javanese tree Eleaocarpus ganitrus, revered and used in India as necklaces and rosaries by shiavite priests, holy men and devotees.

Rug,
The terms rug and carpet are often used interchangeably. However the term "rug" is broader, often including a range of coarse weavings including tent furnishings, bags for storage and transport and animal trappings.

Rug knot,
A segment of a supplementary wrapping weft whose cut ends project above the surface of the rug. Although called a "knot", the yarn segments are not actually tied, but just wrap around the warp yarns and are held in place by the ground weft yarns. Depending on the coarseness of the yarns and how closely they are set, the number of "knots" per square inch of a rug or carpet can range from less than 50 to more than 1000.

Ruling mill,
A small mill which has scale lines raised in relief on its surface, and which is used to transfer these lines on to the varnished surface of a copper cylinder.

Ruling varnish,
A specially prepared coating used to protect the surface of the cylinder, but which is malleable enough to be finely and clearly scarped away when the small ruling mill is rotated against it.

Rumal,
Handkerchief; square fabric often used as a base for embroidery. See, Chamba Rumal.

Rumal,
Either a kerchief worn over shoulders or head, or a square cover for gifts or food.

Running stitch,
A series of straight flat stitches worked along a line in a continual forward motion through the ground fabric; stitches may or may not be of equal length on the face and/or the reverse. Worked in a single line as an outline, or may be disposed in rows to create a filling. In Ottoman embroidery, the running stitch, used in the pattern darning technique to fill large design areas, was disposed in closely worked parallel rows in diagonal alignment. In India it is also called the Kantha stitch

Rupa,
Type of alloyed silver