Definition of red bark in English:

red bark

noun

  • 1A reddish form of cinchona bark used medicinally as a source of quinine, specifically that obtained from Cinchona pubescens (formerly called C. succirubra).

  • 2More fully "red bark tree". The tree Cinchona pubescens.

Origin

Late 18th century; earliest use found in William Saunders (1743–1817), physician. From red + bark.

Pronunciation

red bark

/ˌrɛd ˈbɑːk/