/ Dictionary / Index F fenfluramine: Meaning and Definition of Find definitions for: fen•flu•ra•mine Pronunciation: (fen-floor'u-mēn"), [key] — n. Pharm. a sympathomimetic substance, CHFN, used mainly as an anorectic in the treatment of obesity. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fenestration Fengjie Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language