/ Dictionary / Index G gambier: Meaning and Definition of Find definitions for: gam•bier Pronunciation: (gam'bēr), [key] — n. an astringent extract obtained from the leaves and young shoots of a tropical Asian shrub, Uncaria gambir, of the madder family, used in medicine, dyeing, tanning, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gambia Gambier Islands Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language