English edit

Etymology edit

From the origin of cinchonaceous trees in the forests of Peru.

Noun edit

Peruvian bark (uncountable)

  1. (now chiefly historical) Cinchona bark, chiefly as used in medicine. [from 17th c.]
    • 1789 January 17, Hester Thrale Piozzi, Thraliana:
      [H]e will soon begin to like & wish for this refreshment, & will with the use of Peruvian Bark & Steel, regain his Tranquillity of Mind & Body.