1 : 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
2 : any of various leguminous plants grown for their edible seeds and pods
3 : thin sauce made of fermented soy beans
4 : any of various edible seeds of plants of the family Leguminosae used for food
