A resinous astringent extract obtained from the leaves of a woody vine (Uncaria gambir) of Malaysia and Indonesia, used medicinally and formerly for tanning and dyeing.
An astringent substance extracted from various S Asian plants (genus Uncaria) of the madder family, chewed with the betel nut: used in tanning and dyeing and, formerly, in medicine.
Uncaria gambir, a plant from Indonesia.
Origin of gambier
From Malay gambir.