Great Barrier Reef

American

noun

a coral reef parallel to the coast of Queensland, in NE Australia. 1,250 miles (2,010 km) long.

Great Barrier Reef British

noun

a coral reef in the Coral Sea, off the NE coast of Australia, extending for about 2000 km (1250 miles) from the Torres Strait along the coast of Queensland; the largest coral reef in the world

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Great Barrier Reef

Australia is being urged to take urgent action to protect its world-famous Great Barrier Reef.

From Barron's ● Oct. 4, 2026

Australia's Great Barrier Reef, for instance, saw peak heat stress increase each year between 2014 and 2017.

From Barron's ● Feb. 10, 2026

The same ship made headlines earlier this year when it left behind an elderly woman on a remote island on the Great Barrier Reef.

From BBC ● Dec. 29, 2025

Dr Yves-Marie Bozec, who led the research, said the modelling of more than 3,800 individual reefs that make up the Great Barrier Reef looked at their "eco-evolutionary dynamics".

From BBC ● Nov. 5, 2025

Ayn said she would scuba dive the Great Barrier Reef until she either ran out of air or got eaten by a great white.

From "Scythe" by Neal Shusterman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023