/ Dictionary / Index F floor furnace: Meaning and Definition of Find definitions for: floor' fur"nace Pronunciation: [key] a small self-contained furnace placed just below the floor of the space to be heated. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. floor exercise flooring Related Content Daily Word Quiz: benevolent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language