angostura bark
noun
an·gos·tu·ra bark
| \ ˌaŋ-gə-ˈst(y)u̇r-ə-
\
\
Medical Definition of angostura bark
: the aromatic bitter bark of either of two South American trees (Galipea officinalis and Cusparia trifoliata) of the rue family used especially formerly as a tonic and antipyretic
— called also angostura