/ Dictionary / Index O OSFCW: Meaning and Definition of Find definitions for: OSFCW Pronunciation: [key] Office of Solid Fuels Coordinator for War. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. O.S.F. Osgood Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language