gamble

Etymology

From earlier gamel, from Middle English *gamlen, *gamelen, variant of Middle English gamenen, from Old English gæmnian, gamnian, gamenian (“to joke; play”), related to Old English gamen (“joy; mirth; pleasure; entertainment; pastime; sport; game”), equivalent to game + -le. Compare Old Danish gammel, Middle High German gamel (“pleasure; fun”). More at game.

noun

1. A bet or wager.
   I had a gamble on the horses last weekend.
2. A significant risk, undertaken with a potential gain.
3. A risky venture.
   The sailors had taken many gambles with the sea and always won.

verb

1. To take a risk, with the potential of a positive outcome.
2. To play risky games, especially casino games, for monetary gain.
   Mark won half a million dollars gambling on horses.
3. (transitive) To risk (something) for potential gain.
   He gambled his reputation on the outcome.
4. To interact with equipment at a casino