The Collaborative International Dictionary of English v.0.48:
Brewer \Brew"er\, n. One who brews; one whose occupation is to prepare malt liquors. [1913 Webster]WordNet (r) 3.0 (2006):
brewer n 1: someone who brews beer or ale from malt and hops and water [syn: brewer, beer maker] 2: the owner or manager of a brewery