The Collaborative International Dictionary of English v.0.48:

Wey \Wey\, n. [OE. weye, AS. w?ge weight. ????. See Weight.]
   A certain measure of weight. [Eng.] "A weye of Essex cheese."
   --Piers Plowman.
   [1913 Webster]

   Note: A wey is 6? tods, or 182 pounds, of wool; a load, or
         five quarters, of wheat, 40 bushels of salt, each
         weighing 56 pounds; 32 cloves of cheese, each weighing
         seven pounds; 48 bushels of oats and barley; and from
         two cwt. to three cwt. of butter. --Simmonds.
         [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wey \Wey\, n.
   Way; road; path. [Obs.] --Chaucer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Wey \Wey\, v. t. & i.
   To weigh. [Obs.] --Chaucer.
   [1913 Webster]