What is Brewer?

Legal Definition
One who manufactures fermented liquors of any name or description, for sale, from malt, wholly or in part or from any substitute therefor. Act July 13, 1866, § 9, (14 St. at Large, 117.) U. S. v. Dooley, 25 Fed. Cas. 890; U. S. v. Wlttig, 28 Fed. Cas. 745.
-- Black's Law Dictionary