1. a small dark purple berry from a palm tree native to Central and South America, often used in health foods and smoothies

Examples

• She ordered an acai bowl topped with granola and fresh fruit.
• The acai berry is rich in antioxidants.
• Many health food stores sell frozen acai puree.
• The smoothie contained acai, banana, and coconut milk.
• Acai palms grow naturally in the Amazon rainforest.
• The restaurant’s acai bowls became very popular with fitness enthusiasts.