Definition of comfrey
noun (plural comfreys)
- a Eurasian plant of the borage family, which has large hairy leaves and clusters of purplish or white bell-shaped flowers.
- Genus Symphytum, family Boraginaceae: several species, in particular the common comfrey (S. officinale), which is used in herbal medicine (see boneset)
Middle English: from Anglo-Norman French cumfirie, based on Latin conferva, from confervere 'heal' (literally 'boil together', referring to the plant's medicinal use)