A wet bar is a bar typically found in a home or other private area that is stocked with alcoholic beverages and equipped with a sink for washing glasses and mixing drinks. The term 'wet bar' is derived from the fact that it is equipped with a sink, which allows for the easy cleaning of glasses and other items used in the preparation of drinks. The crossword solution for the term 'wet bar' is SOAP, which is an acronym for 'Sink, Optics, Alcohol, and Pouring'.