noun (n)

• a North American vine with fragrant blossoms and edible tubers; important food crop of Native Americans(noun.plant)

  Synonym:
  apios americana, apios tuberosa, groundnut, groundnut vine, indian potato, potato bean
  

  source: wordnet30
• nutlike tuber; important food of Native Americans(noun.food)

  Synonym:
  groundnut, potato bean
  

  source: wordnet30