1. Any of various plants believed to have medicinal properties for treating fever, especially plants of the genus Eryngium or similar herbs used in traditional medicine.
Usage: Often used in folk medicine and herbal remedies; Regional plant names vary by location

Examples

• The herbalist recommended feverweed tea for reducing fever.
• Feverweed grows wild in many temperate regions.
• Traditional healers have used feverweed for centuries.
• She dried feverweed from her garden to make remedies.
• The plant's name reflects its historical use in fever treatment.