Definition of 'soy'
- a source of oil; used for forage and soil improvement and as food
Synonyms: soybean soya bean
- 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
Synonyms: soya soybean soya bean soybean plant soja soja bean Glycine max
- thin sauce made of fermented soy beans
Synonyms: soy sauce
- most highly proteinaceous vegetable crop known