Cork
Plug
Decanter
cork is a stopper to close wine bottles
Bottle stoppers can generally be purchased at a range of stores. These include supermarkets, corner shops, and the slightly higher-end of wine stores and off licenses.
Decanter or carafe
The purpose of a wine stopper is to cork the remaining wine in a bottle before putting it on a rake or into the refrigerator since using the original cork is sometimes difficult to put back into the bottle.
A CORK stopper is a plug for a bottle made of cork
Grease the top of the bottle!
Heating the neck of the bottle with hot water causes the glass to expand, while the glass stopper remains cool and contracts. This temperature difference creates a slight gap between the stopper and the bottle, making it easier to loosen the stopper.
It is called ullage
the " punt ".