Bible Dictionaries
Coumarin

Webster's Dictionary

(n.) The concrete essence of the tonka bean, the fruit of Dipterix (formerly Coumarouna) odorata and consisting essentially of coumarin proper, which is a white crystalline substance, C9H6O2, of vanilla-like odor, regarded as an anhydride of coumaric acid, and used in flavoring. Coumarin in also made artificially.

Bibliography Information
Webster, Noah. Entry for 'Coumarin'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/coumarin.html. 1828.