angosturabark

an·gos·tu·ra bark (ăng'gə-sto͝orʹə, -styo͝orʹə) n.

The bitter aromatic bark of either of two South American trees (Galipea officinalis or Cusparia trifoliata), used as a flavoring in bitters and as a tonic.

  [After Angostura (Ciudad Bolívar), Venezuela.]

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