noun

• A whiskey distilled from a mixture of grains in which at least 51% is corn, aged in charred, new oak barrels. Made in the United States.
• A serving of bourbon whiskey.
• A Bourbon biscuit.
• A European dynasty which reigns in Spain and formerly ruled the Kingdom of France.
• A surname from French.
• (historical, Southern US) A Bourbon Democrat.
• (historical, Southern US, especially Mississippi) A white conservative, particularly in the context of opposition to equal rights for black people.
• A county in Kentucky, see Bourbon County.
• Bourbon Street, a street in New Orleans, Louisiana.
• (obsolete) The island of Réunion.
• A town in Indiana.
• A city in Missouri.