,| 1. | the starchy, tuberous root of any of various climbing vines of the genus Dioscorea, cultivated for food in warm regions. |
| 2. | any of these plants. |
| 3. | the sweet potato. |
| 4. | Scot. potato (def. 1). |

| sweet potato n.
|
yam (yām) n.
[Portuguese inhame or obsolete Spanish igname, iñame, both from Portuguese and English Creole nyam, to eat, of West African origin; Wolof ñam, food, to eat, or Bambara ñambu, manioc.] |