1 bitterbark | Definition of bitterbark

bitterbark

noun

Definition of bitterbark

1 : any of several woody plants having bitter bark: such as

a Australia

(1) : a woody shrub (Alstonia constricta) with a bark sometimes used as a febrifuge
(3) : a shrub or small tree (Tabernaemontana orientalis) having evergreen leaves, sweet-scented flowers with slender tubes, and orange-colored fruit
2 : the bark from a bitterbark especially when used medicinally