yam (n.)

  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

    [ Syn: 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

The dictionary is based on the WordNet Electronic Lexical Database.
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