A contract by which two parties or more agree that a certain sum of money, or other thing, shall be paid or delivered to one of them, on the happening or not happening of an uncertain event
If you wager on the result of a horse race, football match, or other event, you give someone a sum of money which they give you back with extra money if the result is what you predicted, or which they keep if it is not. Just because people wagered on the Yankees did not mean that they liked them Golfers had wagered a good deal of money on Nick Faldo winning the championship. = bet, gamble Wager is also a noun. There have been various wagers on certain candidates since the Bishop announced his retirement
If you say that you will wager that something is the case, you mean you are confident that it is the case. She was willing to wager that he didn't own the apartment he lived in = bet. an agreement in which you win or lose money according to the result of something such as a race = bet (wageure, from wagier; WAGE)