1. n. Beer which is produced locally in small quantities or breweries and not nationally distributed. Oposite of Budweiser or Labatts. Served mostly in local bars, Brasseries, and at beer festivals. Can also be obtained through mail order clubs on the net.
Damn, that Saint-Ambroise is a good Microbrew.
A microbrew loses its exclusive status when bought out by large corporately funded breweries or it is distributed nationally.
New Belgium Brewing Company used to make microbrews but since becoming a widely popular beer company its brews have changed status and become premium (American) domestic beers.