/ Dictionary / Index F floatstone: Meaning and Definition of Find definitions for: float•stone Pronunciation: (flōt'stōn"), [key] — n. Masonry. a stone for rubbing bricks to be gauged. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. floatplane float switch Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language