The Collaborative International Dictionary of English v.0.48:

Brew \Brew\ (br[udd]), v. t. [imp. & p. p. Brewed (br[udd]d);
   p. pr. & vb. n. Brewing.] [OE. brewen, AS. bre['o]wan; akin
   to D. brouwen, OHG. priuwan, MHG. briuwen, br[=u]wen, G.
   brauen, Icel. brugga, Sw. brygga, Dan. brygge, and perh. to
   L. defrutum must boiled down, Gr. bry^ton (for fry^ton?) a
   kind of beer. The original meaning seems to have been to
   prepare by heat. [root]93. Cf. Broth, Bread.]
   1. To boil or seethe; to cook. [Obs.]
      [1913 Webster]

   2. To prepare, as beer or other liquor, from malt and hops,
      or from other materials, by steeping, boiling, and
      fermentation. "She brews good ale." --Shak.
      [1913 Webster]

   3. To prepare by steeping and mingling; to concoct.
      [1913 Webster]

            Go, brew me a pottle of sack finely.  --Shak.
      [1913 Webster]

   4. To foment or prepare, as by brewing; to contrive; to plot;
      to concoct; to hatch; as, to brew mischief.
      [1913 Webster]

            Hence with thy brewed enchantments, foul deceiver!
                                                  --Milton.
      [1913 Webster]