noun (n)

• a source of oil; used for forage and soil improvement and as food(noun.plant)

  Synonym:
  soy, soybean
  

  source: wordnet30
• erect bushy hairy annual herb having trifoliate leaves and purple to pink flowers; extensively cultivated for food and forage and soil improvement but especially for its nutritious oil-rich seeds; native to Asia(noun.plant)

  Synonym:
  glycine max, soja, soja bean, soy, soya, soybean, soybean plant
  

  source: wordnet30
• the most highly proteinaceous vegetable known; the fruit of the soybean plant is used in a variety of foods and as fodder (especially as a replacement for animal protein)(noun.food)

  Synonym:
  soy, soya, soybean
  

  source: wordnet30