1. A plant of the genus Symphytum, especially comfrey, traditionally used in folk medicine to promote bone healing.
Usage: Also called comfrey or boneset.; Chiefly historical or herbal medicine contexts.

Examples

• The herbalist recommended knitbone poultices for the patient's fractured arm.
• Knitbone was a common remedy in medieval folk medicine for broken bones.
• The garden contained several knitbone plants used for traditional healing.
• Historical texts describe knitbone as a treatment for wounds and fractures.