/ Dictionary / Index L leguminous: Meaning and Definition of Find definitions for: le•gu•mi•nous Pronunciation: (li-gy'mu-nus), [key] — adj. pertaining to, of the nature of, or bearing legumes. belonging to the Leguminosae. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: leguminous (Thesaurus) legumin leg warmers Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language