Yam definition

yăm
Frequency:
Designating a family (Dioscoreaceae, order Liliales), of climbing, chiefly tropical monocotyledonous plants, including the barbasco.
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(US) A sweet potato; a tuber from the species Ipomoea batatas.
noun
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The starchy root of any of these plants, used in the tropics as food.
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Any of various other similar plants, as the barbasco.
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A moist, orange-colored variety of sweet potato.
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noun
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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.
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Any of these plants.
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(botany) Any climbing vine of the genus Dioscorea in the Eastern and Western hemispheres, usually cultivated.
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The edible, starchy, tuberous root of that plant, a tropical staple food.
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(Scotland) Potato.
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(West Cumbria) Home.
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Any of numerous chiefly tropical vines of the genus Dioscorea, many of which have edible tuberous roots.
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Other Word Forms

Noun

Singular:
yam
Plural:
yams

Origin of yam

  • 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

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Portuguese inhame and Spanish ñame, possibly from the Fula nyami (“to eat"). The term was coined in 1657.

    From Wiktionary