herbal therapy is a noun meaning "the use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)". It carries one recorded sense.
the use of plants or plant extracts for medicinal purposes (especially plants that are not part of the normal diet)
plant
Definitions, synonyms and semantic relations for herbal therapy come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.