Meaning

• A bet or wager.

  "I had a gamble on the horses last weekend."

• A significant risk, undertaken with a potential gain.

• A risky venture.

  "The sailors had taken many gambles with the sea and always won."

Meaning

• To take a risk, with the potential of a positive outcome.

• To play risky games, especially casino games, for monetary gain.

• To risk (something) for potential gain.

  "He gambled his reputation on the outcome."

• To interact with equipment at a casino