/ Dictionary / Index F fumarole: Meaning and Definition of Find definitions for: fu•ma•role Pronunciation: (fy'mu-rōl"), [key] — n. a hole in or near a volcano, from which vapor rises. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fumaric acid fumatorium Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language