/ Dictionary / Index F fountain pen: Meaning and Definition of Find definitions for: foun'tain pen" Pronunciation: [key] a pen with a refillable reservoir that provides a continuous supply of usually fluid ink to its point. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Fountain of Youth fountain plant Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language