1. 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)
2. 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
Synonym: soysoyasoybeansoybean plantsojasoja beanGlycine max
3. a source of oil
used for forage and soil improvement and as food