| bonduc | (noun) tropical tree with large prickly pods of seeds that resemble beans and are used for jewelry and rosaries | Synonyms: bonduc tree, Caesalpinia bonduc, Caesalpinia bonducella |
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| (noun) handsome tree of central and eastern North America having large bipinnate leaves and green-white flowers followed by large woody brown pods whose seeds are used as a coffee substitute | Synonyms: chicot, Gymnocladus dioica, Kentucky coffee tree |
| caoutchouc | (noun) an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products | Synonyms: gum elastic, India rubber, natural rubber, rubber |
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