Open English Wordnet
Nouns
(n)fever treeany of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever
(n)fever tree, Georgia bark, bitter-bark, Pinckneya pubensornamental shrub or small tree of swampy areas in southwestern United States having large pink or white sepals and yielding Georgia bark for treating fever
(n)blue gum, fever tree, Eucalyptus globulustall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish