Meaning of feverwort in English:
feverwort
noun
historical, rare1Common centaury, Centaurium erythraeum.
2US The horse gentian Triosteum perfoliatum.
3US Any of several plants of the genus Eupatorium, especially E. perfoliatum.
Origin
Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer.
Are You Learning English? Here Are Our Top English Tips