/ Dictionary / Index M milk vetch: Meaning and Definition of Find definitions for: milk' vetch" Pronunciation: [key] a European plant, Astragalus glycyphyllos, of the legume family, believed to increase the secretion of milk in goats. any herb of certain allied genera. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. milk train milkweed Related Content Daily Word Quiz: supine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language