Definition of throat root in English:

throat root

noun

US
historical
  • Any of various species of avens (genus Geum) used in the treatment of sore throats, especially water avens, Geum rivale, and Geum virginianum (native to North America and having small whitish flowers).

Origin

Late 18th century; earliest use found in Manasseh Cutler (1742–1823).