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What is "Weft" - Definition & Explanation

Often referred to as "filling", it is the yarn that traverses the warp yarns (horizontally) during the weaving operation.
Yarns which run across the width of a fabric (also known as filling).
The horizontal (crosswise) threads that intersect the warp (lengthwise) threads in a woven fabric.
The weft is the yarn that is woven back and forth through the warp to make cloth.
Knit - A type of knitted fabric in which yarns are formed into stitches in widthwise manner. Common examples of weft knits are circular knits and flat knits.
Knit - The most common type of knit formed by interlocking loops in the widthwise direction. Weft knit tend to have more stretch than warp knits. Examples are interlock, jerseys, double knits, rib knits.
In woven fabric, the filling yarns that run perpendicular to the warp yarns.
a) Width-way threads as woven in a fabric.
b) Yarn intended for use as in (a) above.
In weaving, the horizontal threads interlaced through the warp. Also called woof.
Yarns that run perpendicular to the selvages. Also called crosswise grain. A weft knit is made with the yarns running horizontally across the fabric.
The crosswise threads of any woven fabric.

Some other terms

Some more terms:

A strong, firm, tightly woven, durable fabric usually of cotton but sometimes of linen, hemp or other fibers. It is usually plain weave but sometimes with a crosswise rib. It is produced in a variety...
The process of passing fabric through a calender in which a highly polished, usually heated steel bowl rotates at a higher surface speed than the softer (e.g. cotton-filled or paper-filled) bowl...
Knob, often vase-shaped, used as crowning ornament on furniture. Also found at intersection of stretchers joining legs of chairs, tables, etc. In drapery hardware, a decorative piece added at each...
a) Threads lengthways in a fabric as woven. b) A number of threads in long lengths and approximately parallel, which may be in various forms intended for weaving, knitting, doubling, sizing, dyeing...
Continuous filament synthetic yarns that have been altered through special treatments or modification to give them elasticity. Techniques include: twisting and untwisting, use of air jets, stuffer...

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