/ Dictionary / Index C CRF: Meaning and Definition of Find definitions for: CRF Pronunciation: [key] corticotropin releasing factor. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. crew socks crib Related Content Daily Word Quiz: ounterfeit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language