Noun bitterwood has 3 senses
- quassia, bitterwood, Quassia amara - 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
--1 is a kind of bitterwood tree
--1 is a member of genus Quassia
- Jamaica quassia, bitterwood, Picrasma excelsa, Picrasma excelsum - West Indian tree yielding the drug Jamaica quassia
--2 is a kind of bitterwood tree
--2 is a member of Picrasma, genus Picrasma
--2 has substances: Jamaica quassia
- paradise tree, bitterwood, Simarouba glauca - 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
--3 is a kind of bitterwood tree
--3 is a member of Simarouba, genus Simarouba
,