Hogshead
See also 'TUN' which holds 2 'BUTTs' which = 252 gallons
A two handled wine bottle
There are five servings in a standard 750 ml bottle of wine.
Decanter or carafe
4
Magnum flagon
One hundredth of a large bottle of pop, One seventy fifth of a bottle of wine, One fiftieth of a large bottle of beer.
If you are thinking about a 'wine professional' then a Sommelier
It is called ullage
the " punt ".
A balthazar is a large wine bottle with the capacity of around 12 litres.
Methusulah.
the neck