What does "warping" mean?

Warping: The art or occupation of preparing warp or webs for the weaver. Craig. 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.