demijohn

 
Pronunciation: /ˈdɛmɪdʒɒn/

noun

  • a bulbous narrow-necked bottle holding from 3 to 10 gallons of liquid, typically enclosed in a wicker cover.

Origin:

mid 18th century: probably an alteration of French dame-jeanne 'Lady Jane', by association with demi- 'half-sized' and the given name John