gamble
     n 1: money that is risked for possible monetary gain
     2: a risky act or venture
     v 1: take a risk in the hope of a favorable outcome; "When you
          buy these stocks you are gambling" [syn: {chance}, {risk},
           {hazard}, {take chances}, {adventure}, {run a risk}, {take
          a chance}]
     2: play games for money
Source: WordNet® 2.0