Definition of yam in English:

yam

Syllabification: yam

noun

1The edible starchy tuber of a climbing plant, widely distributed in tropical and subtropical countries.
More example sentences
  • Trucks selling yams, widely used as a tonic, can be seen along the provincial highway in Nantou County.
  • True yams are a starchy tuber that is a staple crop in many parts of the tropics; they are seldom grown in the United States.
  • The tuber from the wing-stalked yam is a valuable source of diosgenin.
2The plant that yields the yam.
  • Genus Dioscorea, family Dioscoreaceae: many species
More example sentences
  • Men clear the bush and plant the yams with the help of the women and the children.
  • They also grow taro and yams, bananas, ginger, tobacco and colorful cucumbers.
  • In certain regions corn, rice, groundnuts, vegetables, and yams are cultivated.
3North American A sweet potato.
More example sentences
  • These days you can just about guarantee that any yams you see in your grocery store are really sweet potatoes.
  • The vegetables generally sold as yams in supermarkets here are moist, orange-fleshed sweet potatoes, such as the red skinned Garnet and the brown-skinned Jewel.
  • Trade your spuds in for Japanese sweet potatoes, Jersey Sweets (also called white sweet potatoes) or red garnets or jewel yams, which provide more nutritional bang for your buck.

Origin

late 16th century: from Portuguese inhame or obsolete Spanish iñame, probably of West African origin.

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Pronunciation: ˈretrəˌfleks
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