/ Dictionary / Index M medicinal: Meaning and Definition of Find definitions for: me•dic•i•nal Pronunciation: (mu-dis'u-nl), [key] — adj. of, pertaining to, or having the properties of a medicine; curative; remedial: medicinal properties; medicinal substances. unpalatable; disagreeable: a medicinal taste. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: medicinal (Thesaurus) medicinable medicinal leech Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language