mushroom Pronunciation: /ˈmʌʃrʊm; ˈmʌʃruːm/Translate mushroom | into French | into Italian | into Spanish German translation of mushroomA. n. Pilz; (cultivated) ChampignonB. v.i. wie Pilze aus dem Boden schießenmushroom in other Oxford dictionaries Definition of mushroom in the British & World English dictionary Definition of mushroom in the US English dictionary