Yes.
It is called Lees.
Lees consists of dead yeast, fruit particles, etc.
white wine
LEES
The dregs are also called the lees.
To pour liquid from one container to another, as with wine, so as not to disturb the sediment
Sediment.
dirt Sediment
Another name for wine is fruit of the vine. The Greek word for wine is oinos. Other names could be aperitif or champagne.
A wine bag is another way to describe a wine skin.
Yes they are simply part of the grape that is left over. Drink the wine by slowly pouring it into your glass try not to shake it you may want to leave the last once in the bottle as it will have the highest concentrate.
Dregs
The punt is the indentation in the bottom of the bottle. When a wine has sediment in it you slowly pour the wine into a decanter and then throw out the last couple of ounces that have the sediment in them. The punt reduces the amount of wine as it displaces volume at the bottom of the bottle.
Alcoholic.
oenologist
Oenophile.