Noun has 4 senses

• soy(n = noun.plant) soya bean, soybean - a source of oil; used for forage and soil improvement and as food;



• soy(n = noun.plant) glycine max, soja, soja bean, soya, soya bean, soybean, soybean plant - 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;




• soy(n = noun.food) soy sauce - thin sauce made of fermented soy beans;



• soy(n = noun.food) soya, soya bean, soybean - 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);