1. a large bottle with a short narrow neck, typically enclosed in wickerwork and used for storing wine or other liquids

Examples

• The winemaker stored the vintage in a large demijohn.
• She found an old demijohn in the cellar covered with dust.
• The demijohn was wrapped in protective wicker basketry.
• They used a demijohn to ferment their homemade wine.
• The antique demijohn held several gallons of liquid.
• He carefully poured the wine from the demijohn into smaller bottles.