| 释义 |
ton·ka bean
noun
or ton·ca bean \ˈtäŋkə-\; or ton·ga bean \-ŋgə-\; also ton·qua bean \-ŋkə-\
Etymology: probably from Tupi tonka
: the seed of any of several plants of the genus Dipteryx (especially D. odorata and D. oppositifolia) that has a pleasant odor due to the presence of coumarin and is used in the manufacture of coumarin, in perfumes, as a flavor for tobacco, and in making artificial vanilla extracts; also : a plant whose seed is a tonka bean |