Tonka bean

[Sarah]

The seed of a leguminous tree (Dipteryx odorata), native ofGuiana. It has a peculiarly agreeable smell, and is employed in thescenting of snuff. Called also tiononquin bean. [Written also toncabean, tonga bean.]

[Greta]

a small black bean that tastes of vanilla and is used in perfume , and to give flavour to food, especially desserts