Rug glossary · 57 terms
Rug words, plainly defined.
Every rug word that matters, from abrash to yarn count — written by people who use them on the floor.
- Abrash
- Abrash is the deliberate or natural variation in dye colour across a rug, produced by using yarn from different dye lots or hand-dyed hanks — a signature of hand-dyed, hand-woven work rather than a defect.
- Bamboo silk
- Bamboo silk is a regenerated-cellulose viscose fibre spun from bamboo pulp with a silk-like sheen — a plant-derived material with the look of real silk at a gentler price.
- Berber
- Berber refers to a family of North African rug styles, typically hand-knotted or hand-loomed, with tribal geometric motifs on an ivory ground; Beni Ourain and Boujaad are two well-known Berber rug traditions.
- Binding
- Binding is the finishing stitch that seals the edges of a rug — over-serged, over-locked or hand-bound — keeping the perimeter from unravelling.
- Border
- Border is the framing band that surrounds the main design field of a traditional rug, usually a repeating motif such as boteh or floral trellis.
- CAD (rug design)
- CAD in rug design is a digital drawing of the rug pattern converted into a knot map that weavers read at the loom.
- Carding
- Carding is the mechanical combing of raw fleece into aligned webs of fibre, removing debris and preparing the fibre for spinning into yarn.
- Chain stitch
- Chain stitch is an edge-finishing technique used on many flatweaves and dhurries, forming a loop-in-loop chain along the border.
- Colorway
- Colorway is a specific palette a rug design is produced in; the same design can be issued in multiple colorways, each specified against Pantone references or shade cards.
- Cut pile
- Cut pile is a construction where every pile knot or tuft is cut open at the top, producing a plush, uniform surface.
- Dhurrie
- Dhurrie is an Indian flatweave rug, traditionally woven from wool or cotton, without pile and typically reversible.
- Field
- Field is the central area of a traditional rug design, framed by the border, on which the main motif sits.
- Flatweave
- Flatweave is a rug construction with no pile — the design lives entirely in the interlaced warp and weft. Dhurries and kilims are the classic flatweaves.
- Fringe
- Fringe is the exposed ends of the warp threads at the top and bottom of a hand-knotted or hand-loomed rug — structural, not decorative.
- GSM
- GSM stands for grams per square metre — the weight of pile material per square metre of rug, the most objective single measure of how much material a rug contains.
- Gabbeh
- Gabbeh is a traditional tribal-style hand-knotted rug with bold geometric motifs and a thick, shaggy pile.
- Hand-knotted
- Hand-knotted describes a rug in which every knot is tied by hand around the warp threads on a loom — the most durable and valuable rug construction.
- Hand-tufted
- Hand-tufted describes a rug made by punching yarn through a stretched canvas with a tufting gun, then latexed and backed. Rich pile and detailed design at faster lead times than hand-knotted.
- Handloom
- Handloom describes a rug woven on a traditional loom, with pile inserted between rows of weft — a clean, refined construction without latex or backing.
- Heat-set yarn
- Heat-set yarn is synthetic yarn treated with heat to lock its twist — used mostly in machine-made carpets, not traditional handmade rugs.
- Hank dyeing
- Hank dyeing is the practice of dyeing loose skeins of yarn (hanks) rather than piece-dyeing a finished rug — the traditional and honest way to colour handmade rug yarn.
- Jute
- Jute is a rain-fed plant fibre grown in the Ganges delta, spun into a rustic yarn with visible slubs. Fully biodegradable and carbon-absorbing as a crop.
- Kilim
- Kilim is a traditional flatwoven rug from Turkey, Central Asia and Iran, produced with slit-weave or tapestry techniques.
- Knot count (KPSI)
- Knot count, expressed as KPSI (knots per square inch), measures how many hand-tied knots fit in one square inch of a hand-knotted rug. Higher counts allow finer design detail.
- Lab dip
- Lab dip is a small dyed yarn sample produced in the dye house and sent to the buyer for approval, proving the exact colour before bulk dyeing begins. Turnaround is around 10 days.
- Latexing
- Latexing is the application of a controlled latex layer to the back of a hand-tufted rug, locking the tufts in place before a secondary backing is applied.
- Loom
- Loom is the frame on which a rug is woven — typically vertical for hand-knotted work, horizontal for many handloom constructions.
- Loop pile
- Loop pile is a construction where the pile yarn is looped rather than cut at the top — producing a more textural, matte surface.
- Medallion
- Medallion is a central ornamental motif in classical Persian and Oriental rug designs, often surrounded by corner spandrels.
- Overtufting
- Overtufting is inserting extra tufts of yarn on top of a woven surface to add height or accent detail.
- PET yarn (recycled)
- PET yarn is polyester yarn made from recycled polyethylene terephthalate — typically post-consumer PET bottles. Certified under GRS.
- Persian knot (Senneh)
- The Persian or Senneh knot is an asymmetric hand-tied knot where the yarn wraps around one warp and passes behind the other; allows finer detail than the Turkish knot.
- Pile
- Pile is the raised yarn surface of a rug that you walk on — created by knotting, tufting or inserting looped or cut yarn between rows of weft.
- Pile height
- Pile height is the length of the pile yarn from base to tip, typically 6–15 mm on handmade rugs.
- Pitch
- Pitch is the density of warp threads across the width of the rug, expressed as knots or warps per unit length.
- Ply
- Ply is the number of individual yarn strands twisted together to form the final rug yarn.
- Pot dyeing
- Pot dyeing is small-batch dyeing of individual yarn hanks in a single pot — the traditional approach for special colours and small runs.
- Runner
- Runner is a long, narrow rug typically used in hallways, kitchens or beside beds.
- Selvedge
- Selvedge is the vertical finished edge of a rug where the wefts turn back and the rug is bound — the equivalent of a hem on fabric.
- Shearing
- Shearing is the mechanical levelling of the pile to a uniform height as part of finishing.
- Shedding
- Shedding is the loss of loose surface fibre from a new wool rug in the first weeks to months of use — normal and self-limiting.
- Shuttle
- Shuttle is the wooden tool that carries weft yarn back and forth across the warp on a handloom.
- Sisal
- Sisal is a plant fibre from the agave plant, spun into a coarse durable yarn used mostly in flatweave rugs.
- Space dyeing
- Space dyeing is dyeing sections of a yarn hank in different colours so the finished yarn creates a mottled pile.
- Strike-off
- Strike-off is a physical rug sample produced from an approved CAD, sent to the buyer for approval before bulk production — typically 15 days.
- Stretching
- Stretching is the finishing step of pinning and pulling a washed rug to true its shape to the specified dimensions.
- TPX/TCX (Pantone)
- TPX and TCX are the Pantone colour reference codes used for textiles (TPX printed, TCX cotton). Rug yarn is dyed to match a given TPX or TCX reference through lab dips.
- Tencel
- Tencel is a lyocell fibre made from wood pulp (typically eucalyptus), with a silk-like sheen and low environmental impact production process.
- Tibetan knot
- The Tibetan knot is tied around a rod inserted horizontally on the warp; when the rod is pulled out the loops open, producing a distinctive pile.
- Tufting gun
- Tufting gun is the hand-held tool used to punch yarn through the canvas backing in hand-tufted rug construction.
- Turkish knot (Ghiordes)
- The Turkish or Ghiordes knot is a symmetric hand-tied knot that wraps around two warp threads — more robust than the Persian knot at lower knot counts.
- Viscose
- Viscose is a regenerated-cellulose fibre spun from wood pulp or bamboo pulp, with a silk-like sheen. Sensitive to moisture.
- Warp
- Warp is the set of parallel threads strung vertically on the loom, around which knots are tied or through which wefts are woven.
- Weft
- Weft is the yarn that runs horizontally across the loom, interlacing with the warp and bedding each row of knots or forming the flatweave surface.
- Wool (NZ vs Indian)
- New Zealand wool is longer-staple, whiter and finer, ideal for pastel palettes and whites; Indian wool is shorter-staple, springier and more resilient, ideal for body and value. Many qualities blend both deliberately.
- Yarn count
- Yarn count is the specification of a yarn's thickness, expressed in various count systems depending on the fibre — a higher count typically means a finer yarn.
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