Definition of botanical medicine in English:

botanical medicine

noun

  • The use of specific plants or plant-based medicines for healing purposes; = "herbal medicine"; a particular form of this, especially. Thomsonian medicine; (also as a count noun) a drug or medicinal preparation obtained from a plant, a herbal medicine.

Origin

Early 19th century; earliest use found in John Aikin (1747–1822), physician and writer.