What is the meaning of Wager?

A bet; a stake; a pledge.

The subject of a bet.

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.

An offer to make oath.

To bet something; to put it up as collateral.

To suppose; to dare say.

Agent noun of wage; one who wages.

alternative form of wajour

Source: wiktionary.org