The Collaborative International Dictionary of English v.0.48:

Brewage \Brew"age\, n.
   Malt liquor; drink brewed. "Some well-spiced brewage."
   --Milton.
   [1913 Webster]

         A rich brewage, made of the best Spanish wine.
                                                  --Macaulay.
   [1913 Webster]

WordNet (r) 3.0 (2006):

brewage
    n 1: drink made by steeping and boiling and fermenting rather
         than distilling [syn: brew, brewage]