/ Dictionary / Index M milkweed: Meaning and Definition of Find definitions for: milk•weed Pronunciation: (milk'wēd"), [key] — n. any of several plants that secrete a milky juice or latex, esp. those of the genus Asclepias, as A. syriaca. Cf. any of various other plants having a milky juice, as certain spurges. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: milkweed (Thesaurus) milk vetch milkweed beetle Related Content Daily Word Quiz: sinister Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language