| bitterwood tree | (n) any of various trees or shrubs of the family Simaroubaceae having wood and bark with a bitter taste |
| jamaica quassia | (n) West Indian tree yielding the drug Jamaica quassia, Syn. Picrasma excelsa, Picrasma excelsum, bitterwood |
| paradise tree | (n) medium to large tree of tropical North and South America having odd-pinnate leaves and long panicles of small pale yellow flowers followed by scarlet fruits, Syn. Simarouba glauca, bitterwood |
| quassia | (n) handsome South American shrub or small tree having bright scarlet flowers and yielding a valuable fine-grained yellowish wood; yields the bitter drug quassia from its wood and bark, Syn. Quassia amara, bitterwood |
| Bitterwood | n. A West Indian tree (Picræna excelsa) from the wood of which the bitter drug Jamaica quassia is obtained. [ 1913 Webster ] |