Definitions for "Tonka bean"
The seed of a leguminous tree (Dipteryx odorata), native of Guiana. It has a peculiarly agreeable smell, and is employed in the scenting of snuff. Called also tonquin bean.
fragrant black nutlike seeds of the tonka bean tree; used in perfumes and medicines and as a substitute for vanilla
tall tropical South American tree having pulpy egg-shaped pods of fragrant black almond-shaped seeds used for flavoring