vegas

/V EY1 G AH0 S/
noun
  1. 1

    (Latin America) An open tract of ground; a plain, especially one which is moist and fertile, such as those used for growing tobacco.

noun
  1. 1

    A measurement of the sensitivity of the value of an option to changes in the implied volatility of the price of the underlying asset.

Source: https://en.wiktionary.org/wiki/vega, https://en.wiktionary.org/wiki/vegas