make a book


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make a book

To set or determine the odds of various racers' chances of victories, used by others to place bets or wagers. Used especially in horse racing. There is actually a lot of mathematics involved when making a book for a race—it's certainly a lot more than just looking at the horses and guessing!
See also: book, make

make (or open) a book

take bets and pay out winnings on the outcome of a race or other contest or event.
See also: book, make