Balthazar
Concise Oxford English Dictionary © 2008 Oxford University Press:
Balthazar /balˈθazə/
▶noun a very large wine bottle, equivalent in capacity to sixteen regular bottles.
– origin 1930s: from Balthazar, the name of the king of Babylon who ‘made a great feast … and drank wine before a thousand’ (Dan: 5:1).
'Balthazar' also found in these Oxford entries:

