/ Dictionary / Index F fault breccia: Meaning and Definition of Find definitions for: fault' brec"cia Pronunciation: [key] — Geol. Geol. angular rock fragments produced by fracture and grinding during faulting and distributed within or adjacent to the fault plane. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. fault block faultfinder Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language