LEGUMINOUS
leguminous
(adjective) relating to or consisting of legumes
Source: WordNet® 3.1
Etymology
Adjective
leguminous (comparative more leguminous, superlative most leguminous)
of the Leguminosae family of peas, beans etc
resembling a legume
Source: Wiktionary
Le*gu"mi*nous, a. Etym: [Cf. F. légumineux.]
1. Pertaining to pulse; consisting of pulse.
2. (Bot.)
Definition: Belonging to, or resembling, a very large natural order of
plants (Leguminosæ), which bear legumes, including peas, beans,
clover, locust trees, acacias, and mimosas.
Source: Webster’s Unabridged Dictionary 1913 Edition