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Noun: yam  yam
  1. Edible tuber of any of several yams
     
  2. Any of a number of tropical vines of the genus Dioscorea many having edible tuberous roots
    - yam plant
     
  3. Sweet potato with deep orange flesh that remains moist when baked
     
  4. Edible tuberous root of various yam plants of the genus Dioscorea grown in the tropics world-wide for food

Derived forms: yams

Type of: root vegetable, sweet potato, tuber, vine

Part of: Dioscorea, genus Dioscorea

Encyclopedia: Yam, Razavi Khorasan