1. (

• soy ,
• soybean ,
• soya_bean ,

) a source of oil; used for forage and soil improvement and as food ;

2. (

• soy ,
• soya ,
• soybean ,
• soya_bean ,
• soybean_plant ,
• soja ,
• soja_bean ,
• Glycine_max

) 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 ;

3. (

• soy ,
• soybean ,
• soya ,
• soya_bean

) 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) ;