tonka bean

noun

1. fragrant black nutlike seeds of the tonka bean tree; used in perfumes and medicines and as a substitute for vanilla

   noun.plant

   Synonyms coumara nut

   Source: WordNet 3.0

2. tall tropical South American tree having pulpy egg-shaped pods of fragrant black almond-shaped seeds used for flavoring

   noun.plant

   Synonyms coumarouna odorata dipteryx odorata tonka bean tree

   Source: WordNet 3.0