/ Dictionary / Index F fumatorium: Meaning and Definition of Find definitions for: fu•ma•to•ri•um Pronunciation: (fy"mu-tôr'ē-um, -tōr'-), [key] — pl. -to•ri•a an airtight structure in which plants are fumigated to destroy fungi or insects. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fumarole fumble 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