From Longman Dictionary of Contemporary Englishherbal medicineˌherbal ˈmedicine noun 1 [uncountable]MAHBP the practice of treating illness using plants2 [countable, uncountable]MDHBP medicine made from plants
Examples from the Corpus
herbal medicine• Bloodletting is popular among the doctors and apothecaries, but herbal medicine, witchcraft and spells are rampant in the general population.• The widow, a Quaker, would seem to have been a devotee of herbal medicine and various other quack cures.• They studied herbal medicine as an alternative to the drugs of the medical profession.• The good doctor Guruji treats madness with herbal medicine in a village near Delhi. 