| Noun | 1. | fever tree - any of several trees having leaves or barks used to allay fever or thought to indicate regions free of fevertree - a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms | |
| 2. | fever tree - ornamental shrub or small tree of swampy areas in southwestern United States having large pink or white sepals and yielding Georgia bark for treating fevergenus Pinckneya, Pinckneya - small genus of shrubs or small trees of southeastern United States and northern South America bush, shrub - a low woody perennial plant usually having several major branches | |
| 3. | fever tree - tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish | |
| 4. | fever tree - African tree supposed to mark healthful regionsgenus Acacia - large genus of shrubs and trees and some woody vines of Central and South America, Africa, Australia and Polynesia: wattle; mimosa acacia - any of various spiny trees or shrubs of the genus Acacia | |