| Noun | 1. | sweet potato - the fleshy root of the sweet potato vinetuber - a fleshy underground stem or root serving for reproductive and food storage | |
| 2. | sweet potato - pantropical vine widely cultivated in several varieties for its large sweet tuberous root with orange fleshsweet potato - edible tuberous root of the sweet potato vine grown widely in warm regions of the United States morning glory - any of various twining vines having funnel-shaped flowers that close late in the day | |
| 3. | sweet potato - edible tuberous root of the sweet potato vine grown widely in warm regions of the United Statesroot vegetable - any of various fleshy edible underground roots or tubers yam - sweet potato with deep orange flesh that remains moist when baked | |
| 4. | sweet potato - egg-shaped terra-cotta wind instrument with a mouthpiece and finger holeswind instrument, wind - a musical instrument in which the sound is produced by an enclosed column of air that is moved by the breath | |