A flowering plant, Uncaria gambir, family Rubiaceae, native to Southeast Asia. / An astringent substance prepared from the leaves of the plant, used in tanning and dyeing.

Gambier Islands

An archipelago in French Polynesia, located at the southeast terminus of the Tuamotu archipelago.

(organic chemistry) A ladder polyether toxin produced by the dinoflagellate Gambierdiscus toxicus

plural of gambiertoxin

(organic chemistry) Any of a group of polycyclic toxins present in Gambierdiscus toxicus