Le*gu"mi*nous (?), a. [Cf. F. l'egumineux.]
1.
Pertaining to pulse; consisting of pulse.
2. Bot.
Belonging to, or resembling, a very large natural order of plants (Leguminosae), which bear legumes, including peas, beans, clover, locust trees, acacias, and mimosas.
© Webster 1913.