bourbon
n. C / Un. a type of American whiskey made mostly from corn. It is usually aged in new oak barrels, which gives it a sweet and smoky flavor.
n. a specific variety of American whiskey distilled from a mash containing at least 51 percent corn and aged in charred new oak containers. Often associated with the Kentucky region and subject to strict legal production standards.
He ordered a glass of bourbon at the bar.
The bartender explained that this particular bourbon has strong notes of vanilla and caramel from the oak barrels.
While Scotch is defined by its peaty malted barley, bourbon derives its distinctively sweet profile from the high corn content and the chemical reactions occurring within charred white oak staves.
Uncountable when referring to the liquid in general; countable when referring to a specific brand or a glass of the drink.