tonka bean, tonquin bean
liblikõielise sugukonda kuuluva lõhnava tonkapuu kaunvili, the fragrant, black almond-shaped seed of a tall tree belonging to the genus Dipteryx (or Coumarouna), of the legume family, esp. D. odorata, of tropical South America, used in perfumes, as a source of coumarin, and as a substitute for vanilla
