TextileGlossary.com

Some more terms:
Cordura brand
A Du Pont brand of air textured nylon yarn. Used in luggage and...

Duvetyn(e)
A good quality wool. If it is made in cotton, it is usually called suede cloth. Duvetyn has a close satin weave that is brushed, singed, and sheared to conceal the weave. It has a smooth plush...

Mantle
Mantle a loose sleeveless garment worn over other clothes,...

Qiviut
Qiviut is the wool of the musk...

Milanese
A warp knit process resulting in a fabric with a fine rib on the face and a diamond effect on the back. Used for women's lingerie and other....

Companies for Cover stitch:
If you manufacture, distribute or otherwise deal in Cover stitch.