The term 'BRIT'S WATERING HOLE' can be solved by the three letter word 'PUB'. A PUB is a type of drinking establishment found in the United Kingdom and other Commonwealth countries. It is typically a public house, which is a social drinking establishment and restaurant. Pubs are known for their atmosphere and often serve traditional British food. They are also popular for their selection of beers, ales, ciders, and other alcoholic beverages.