Definition
To risk money by betting on someone or something to win a race or competition.
He decided to put his money on a particular horse in the 5 PM race.
I think their team will win this year; I would put my money on them.
She believed that the startup would succeed, so she decided to put her money on it.
To strongly believe that someone will do something or that something will happen.
I'm sure he will accept the job; I'd put money on it.
They will reach an agreement at the last minute, I'd put money on that.
She's going to be the next general manager; I'd put money on it.