/ Dictionary / Index A angostura bark: Meaning and Definition of Find definitions for: an'gos•tu'ra bark' Pronunciation: (ang'gu-stoor'u, -styoor'u, ang"-), [key] 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 Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Angora wool Angoumois Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language