From Longman Dictionary of Contemporary Englishpumpernickelpum‧per‧nick‧el /ˈpʌmpənɪkəl $ ˈpʌmpər-/ noun [uncountable] DFa heavy dark brown bread
Examples from the Corpus
pumpernickel• There are not, however, too many hard core pumpernickel types left, certainly not enough to support small bakeries.• Or perhaps a good pumpernickel rye is more to your liking?• A dedicated bread eater will usually prefer a dense, sour, small, moist, round pumpernickel to a light rye.Origin pumpernickel (1700-1800) German 