What is "wain rope"

Wain \Wain\, n. [OE. wain, AS. w[ae]gn; akin to D. & G. wagen, OHG. wagan, Icel. & Sw. vagn, Dan. vogn, and E. way. ????. See Way, Weigh, and cf. Wagon.]

1. A four-wheeled vehicle for the transportation of goods, produce, etc.; a wagon.

   The wardens see nothing but a wain of hay.
   --Jeffrey.

   Driving in ponderous wains their household goods to the seashore.
   --Longfellow.

2. A chariot. [Obs.]

   The Wain. (Astron.) See Charles's Wain, in the Vocabulary.

   Wain rope, a cart rope.
   --Shak.