wager

Short definition from Wiktionary

Noun

1. 1
   A bet; a stake; a pledge.
2. 2
   The subject of a bet.
3. 3
   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.
4. 4
   An offer to make oath.
5. 5
   Agent noun of wage; one who wages.

Verb

1. 1
   To bet something; to put it up as collateral.
2. 2
   To suppose; to dare say.

Proper noun

1. 1
   A surname.