Foeder A large oaken barrel used for either long term fermentation or primary fermentation, particularly for wild farmhouse and sour beer styles. Pronounced FOOD-er and sometimes spelled foedre or foudre. Read More Jen BlairJuly 5, 2016Foeder, foudre, foedre, beer, craft beer, barrel, oak barrel, farmhouse, Sours, wild beer, New Belgium, Foeder Crafters of AmericaComment