sweet potato
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- a tropical, trailing plant (Ipomoea batatas) of the morning-glory family, with purplish flowers and a fleshy, brownish, tuberlike root used as a vegetable
- its root
- Informal ocarina
See sweet potato in American Heritage Dictionary 4
nouna. A tropical American vine (Ipomoea batatas) having rose-violet or pale pink, funnel-shaped flowers, and cultivated for its fleshy tuberous orange root.
b. The root of this vine, eaten cooked as a vegetable. Also called regionally yam.
- Informal An ocarina.
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