/ Dictionary / Index G Great Dividing Range: Meaning and Definition of Find definitions for: Great' Divid'ing Range' Pronunciation: [key] a mountain range extending along the E coast of Australia: vast watershed region. 100 to 200 mi. (160–320 km) wide. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Great Divide Great Dog Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language