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.