In Portugal this term is used to signify a wine that comes from a single estate.
In Spain, this is a large cask or barrel, most often made of oak, which is used to ship or age wine.
A protein extracted from milk which can be used to clarify white wines. It also serves as a preventative against maderization.
Basically, any round wooden container used to store wine can be referred to as a cask. See Barrel, Butt, Hogshead, Pipe, Puncheon, Tun.
Clouding and precipitation which can be caused by the presence of too much air, iron, copper, or protein. There is often an off-taste associated with this condition in a wine.
From the French, the term is applied to flavors resembling those of black currant. The name also applies for a type of liqueur made from black currants that is frequently mixed with vermouth.