/ Dictionary / Index F firestone: Meaning and Definition of Find definitions for: fire•stone Pronunciation: (fīr'stōn"), [key] — n. a fire-resisting stone, esp. a kind of sandstone used in fireplaces, furnaces, etc. Fire•stone Pronunciation: (fīr'stōn"), [key] — n. 1868–1938, U.S. industrialist and rubber manufacturer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: firestone (Thesaurus) fire station firestop Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language