A betting house is a facility where people place bets on various sports and games. There are several synonyms for the term 'betting house', each conveying the same meaning: 1. Bookmaker: A person or company that accepts bets on sporting and other events. 2. Gaming house: A place where gambling is conducted, including betting on casino games. 3. Racing center: A location where horseracing bets are placed. 4. Wagering establishment: A facility that allows people to place bets on a range of events. 5. Sportsbook: A venue where individuals can place bets on different sports and games. 6. Gambling den: A location where illegal gambling takes place. 7. Off-track betting facility: OTBs are locations away from the racetrack, where gamblers can place bets. Overall, these words can be utilized interchangeably to describe a facility offering gambling services.