I have heard to different reasons for this of which I find the latter more convincing. the first purported reason is that it makes it easier to peel the foil of... The Second one is that the holes allow the cork to become moist after it has been set in place (when it is usually dry). The uptake of water helps preserve its integrity and better seal off the bottle.
Bottle is to cork - as jar is to LID.
It's a cork.
Cork for bottles is made from cork trees.
Because the air inside the bottle push out the wooden cork.
The cork
A cork?
push in the cork and then tip the bottle upside-down to get the coin out
The cork over the bottle's neck is going too be pushed by how much air is in the bottle.
The easiest way is to use a corkscrew which involves placing the corkscrew over the opening of the bottle with the latches on the sides facing upward. Twist the screw deep into the cork, then pull down on the latches on the side. The cork should come right out. If a corkscrew is unavailable, the task becomes pretty difficult, but not impossible. Try loosening the sides of the cork in the bottle with a sharp knife and then follow up by using any hook-shaped metal object to pry the cork out little by little.
A CORK stopper is a plug for a bottle made of cork
It is called a cork cover
the tapered part of a champagne cork before it is inserted into a bottle is like a wine cork cylindrical and uniform