Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Utensilsdemijohndem‧i‧john /ˈdemidʒɒn $ -dʒɑːn/ noun [countable] British English DFUa large bottle with a short narrow neck, used for making wineOrigin demijohn (1700-1800) French dame-jeanne “Dame Jane, demijohn” ldoceonline.com
