/ Dictionary / Index F fever tree: Meaning and Definition of Find definitions for: fe'ver tree" Pronunciation: [key] any of several trees that produce or are believed to produce a febrifuge, as the blue gum, which is believed to prevent malaria. a small tree, Pinckneya pubens, of the madder family, native to the southeastern U.S., having a bark used as a tonic and febrifuge. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fever therapy fever twig Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language