The term LARGE COFFEE BREWER can be summarized as a person who prepares large amounts of coffee for a group of people. This job is often abbreviated as URN, which stands for 'Utensil for Reheating and/or Brewing of beverages'. The person in this role is responsible for making sure that the coffee is brewed correctly and that it is served in a timely manner. They must also ensure that the coffee is kept at the right temperature and that it is properly stored.