What does soya bean mean?
• SOYA BEAN (noun) The noun SOYA BEAN has 2 senses: 1. a source of oil; used for forage and soil improvement and as food 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 Familiarity information: SOYA BEAN used as a noun is rare.