Vent cap. A piece of fabric sewn to the upper lateral band and covering the vent; also known as a vent patch.

Warp. The threads that run parallel to the selvage edge of cloth; those which are crossed by the filling threads.

Weave. The forming of a textile by interlacing yarns. The making or manufacturing of cloth on a loom by interlacing warp and filling yarns.

Webbing. A stout, closewoven tape used for straps, belts, harnesses, etc.

Weight (fabric). The weight of fabric measured in ounces per square yard.

Weight. Gravitational force on a mass.

Wrinkles. A series of small pleats.

Zigzag. A stitch formation of alternating left and right throw stitches, usually made on a sewing machine that moves the needle bar alternately left and right during sewing.

Zipper. A slide fastener.