- soy, soybean, soya bean - a source of oil; used for forage and soil improvement and as food
--1 is a kind of bean, bean plant
--1 is a part ofsoy, soya, soybean, soya bean, soybean plant, soja, soja bean, Glycine max - 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
--2 is a kind of legume, leguminous plant
--2 is a member of Glycine, genus Glycine
--2 has parts: soy, soybean; soy, soybean, soya bean