ˌt(y)übōk(y)üˈräˌrēn, -ärə̇n noun
Etymology: International Scientific Vocabulary tubo- (from Latin tubus tube) + curare + -ine; from its being shipped in sections of hollow bamboo
: a toxic alkaloid of the isoquinoline group or its crystalline quaternary ammonium chloride C 38 H 44 Cl 2 N 2 O 6 .5H 2 O that is obtained chiefly from the bark and stems of the So. American pareira brava vine and in its dextrorotatory form constitutes the chief active constituent of curare (sense 3) and that is used similarly