1) Bet middler 2) Bet taker 3) Bookmaker 4) Exclusively Saxon word 5) Exclusively Anglo word 6) Gambler 7) Horse-race bet taker 8) Line setter 9) Man of odds 10) Odds fellow 11) Odds giver 12) One concerned with handicaps 13) One interested in spreads 14) One taking bets 15) Taker of bets 16) Turf accountant Found on https://www.crosswordclues.com/clue/bookie
[Noun] Bookmaker. The person who takes bets, usually on horse races (slang). Example: The bookie said that the odds on England winning the World Cup in 2006 were very low.
Found on http://www.bbc.co.uk/skillswise/glossary/