Definition of rhatany in US English:

rhatany

noun

  • 1An astringent extract of the root of a South American shrub, used in medicine.

  • 2The partially parasitic South American shrub that yields this root, which is also used as a source of dye.

    Genus Krameria, family Krameriaceae

Origin

Early 19th century: from modern Latin rhatania, via Portuguese and Spanish from Quechua ratánya.

Pronunciation

rhatany

/ˈrat(ə)nē/