GROSZ Meaning of GROSZ in English [ grɔ:ʃ ]■ noun ( plural ~y or ~e 'grɔ:ʃi ) a monetary unit of Poland, equal to one hundredth of a zloty.OriginPolish; cf. groschen . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004