Leguminous \Le*gu"mi*nous\ (-m[i^]*n[u^]s), a. [Cf. F. l['e]gumineux.] 1. Pertaining to pulse; consisting of pulse. [1913 Webster] 2. (Bot.) Belonging to, or resembling, a very large natural order of plants ({Leguminos[ae]}), which bear legumes, including peas, beans, clover, locust trees, acacias, and mimosas. [1913 Webster]