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an·gos·tu·ra bark(ăng′gə-sto͝or′ə, -styo͝or′ə)
The bitter aromatic bark of either of two South American trees, Galipea officinalis or Cusparia trifoliata (both sometimes placed in the genus Angostura), used as a flavoring in bitters and as a tonic.
[After Angostura (Ciudad Bolívar), Venezuela.]
(Pharmacology) the bitter aromatic bark of certain South American rutaceous trees of the genus Cusparia or Galipea, formerly used medicinally to reduce fever
[c18 from Angostura]
an′gos•tu′ra bark′(ˈæŋ gəˈstʊər ə, -ˈstyʊər ə, ˌæŋ-)
the bitter, aromatic bark of either of two South American citrus trees, Galipea officinalis or G. cusparia, used in medicine and in the preparation of liqueurs and bitters. Also called angostura.
[1785–95; after Angostura (now Ciudad Bolívar), town in central Venezuela]