/ Dictionary / Index F fountainhead: Meaning and Definition of Find definitions for: foun•tain•head Pronunciation: (foun'tn-hed"), [key] — n. a fountain or spring from which a stream flows; the head or source of a stream. a chief source of anything: a fountainhead of information. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: fountainhead (Thesaurus) fountain grass Fountain of Youth Related Content Daily Word Quiz: belligerent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language