book·mak·er
noun/ˈbʊkmeɪkə(r)/
/ˈbʊkmeɪkər/
(also informal bookie)
(also British English, formal turf accountant)
- a person whose job is to take bets on the result of horse races, etc. and pay out money to people who win
（赛马等）赌注登记人