The Collaborative International Dictionary of English v.0.48:

Warping \Warp"ing\, n.
   1. The act or process of one who, or that which, warps.
      [1913 Webster]

   2. The art or occupation of preparing warp or webs for the
      weaver. --Craig.
      [1913 Webster]

   Warping bank, a bank of earth raised round a field to
      retain water let in for the purpose of enriching land.
      --Craig.

   Warping hook, a hook used by rope makers for hanging the
      yarn on, when warping it into hauls for tarring.

   Warping mill, a machine for warping yarn.

   Warping penny, money, varying according to the length of
      the thread, paid to the weaver by the spinner on laying
      the warp. [Prov. Eng.] --Wright.

   Warping post, a strong post used in warping rope-yarn.
      [1913 Webster]