D defs.my
Entry 1 sense Webster, 1913

Pumpernickel

/pŭm'-pẽrn-ĭkˌ-əl/ · Pump·er·nick·el · IPA /ˈpʌmpɚˌnɪkl̩/
01 n. A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing.
  1. 1.
    A sort of bread, made of unbolted rye, which forms the chief food of the Westphalian peasants. It is acid but nourishing.