Also known as warp ends, these are yarns that go the length of woven fabric. Warp yarns are pulled through the loom as weft yarns are woven across to form a fabric. See also weft yarns.
The yarns that run lengthwise in a woven fabric or belt.
The yarns that runs lengthwise and parallel to the salvage in the machine direction of a woven or warp knitted fabric.