v.
  - play games of chance for money; bet. 
▸bet (a sum of money).
 - take risky action in the hope of a desired result.
 
n.
  - an act of gambling.
 - a risky undertaking or enterprise.
 
 
  Derivative
  
  Etymology
  C18: from obs. gamel ‘play games’, or from the verb game1.