guarana
/ˌɡwɑːrəˈnɑː/
noun
- A plant native to the Amazon, whose seeds are used to make a stimulant drink or added to energy products.
- Guarana is a popular ingredient in energy drinks because it contains caffeine.
- Indigenous people in Brazil have used guarana for centuries as a natural stimulant.
- Some sodas in South America are flavored with guarana extract.