- of, having the nature of, or bearing a legume or legumes
- of the order of plants bearing legumes
- Of, belonging to, or characteristic of plants in the pea family, which includes peas, beans, clover, and alfalfa.
- Resembling a legume.
Origin of leguminousFrom Middle English and from French légumineux, both from Latin leg&umacron;min&omacron;sus, from leg&umacron;men, leg&umacron;min-, bean.