| Blind Bet | A bet made by a racecourse bookmaker to draw attention away from his betting on another horse to avoid a shortening of the odds on the other horse. |
| Book | A bookmaker's tally of amounts bet on each competitor to assure him of profit. |
| Bookmaker | A person or company who accepts bets from the public known as a bookie. |
| Hedging | A bet made by a cautious bookie on a horse on which he has accepted a large bet. |
| LBO | Licensed Betting Office |
| Odds Compiler | The person who sets the odds following research and any other information. |
| Overround | Profit margin in the bookmaker's favour. |
| Pitch | The position where a bookmaker conducts his business on a racecourse. |
| Settler | Person who calculates the bookmakers payouts.. |
| Tic-Tac | The code of hand signals by which UK on course bookmakers to relay information on current odds and betting around the course. |
| Turf Accountant | A bookmaker or professional punter. |