Yams on the table.
yam definition by Webster's New World
- the edible, starchy, tuberous root of any of several tropical climbing plants (genus Dioscorea) of the yam family, widely grown in the tropics for food
- any of these plants
- any of various other similar plants, as the barbasco
- ☆ a moist, orange-colored variety of sweet potato
- Scot. potato (sense )
Origin: Portuguese inhame, probably ; from West African native name
yam definition by American Heritage Dictionary
- Any of numerous chiefly tropical vines of the genus Dioscorea, many of which have edible tuberous roots.
- The starchy root of any of these plants, used in the tropics as food.
- Chiefly Southern U.S. See sweet potato. See Regional Note at goober.
Origin: 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.