1) Cord 2) Woven fabric 
Whipcord is the name for either a fabric or a form of braided cord. ==Fabric== The fabric whipcord is a strong worsted or cotton fabric made of hard-twisted yarns with a diagonal cord or rib. The weave used for whipcord is a steep-angled twill, essentially the same weave as a cavalry twill or a steep gabardine. However, the ribs of whipcord are us...
fabric with bold twill used for making dresses
• (n.) A kind of hard-twisted or braided cord, sometimes used for making whiplashes.
Whip'cord` noun A kind of hard- twisted or braided cord, sometimes used for making whiplashes. 
[n] - closely twisted hard cord used for the lashes of whips 2. [n] - a strong worsted or cotton fabric with a diagonal rib
A heavier twill fabric, similar to gabardine or elastique, but more rugged and with a steeper ribbing.