| tonka bean | (n) fragrant black nutlike seeds of the tonka bean tree; used in perfumes and medicines and as a substitute for vanilla, Syn. coumara nut |
| tonka bean | (n) tall tropical South American tree having pulpy egg-shaped pods of fragrant black almond-shaped seeds used for flavoring, Syn. tonka bean tree, Dipteryx odorata, Coumarouna odorata |
| Tonka bean | [ Cf. F. onca, tonka. ] (Bot.) 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 |