Definition of sweet potato
1 : a tropical vine (Ipomoea batatas) of the morning-glory family that is often grown for its edible tuberous root or for its ornamental variously shaped green to purple leaves and usually white to pinkish funnel-shaped flowers with pink to purple centers also : the large thick sweet and nutritious tuberous root of the sweet potato that has beige, yellow, orange, red, or purple flesh and is cooked and eaten as a vegetable — compare yam sense 2
2 : ocarina
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