/ Dictionary / Index G Great Barrier Reef: Meaning and Definition of Find definitions for: Great' Bar'rier Reef" Pronunciation: [key] a coral reef parallel to the coast of Queensland, in NE Australia. 1250 mi. (2010 km) long. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. great barracuda Great Basin Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language