/ Dictionary / Index F fault zone: Meaning and Definition of Find definitions for: fault' zone" Pronunciation: [key] — Geol. Geol. a network of interconnected fractures representing the surficial expression of a fault. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. faulty faun Related Content Daily Word Quiz: morose Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language