Great Barrier Reef

geographical name

Definition of Great Barrier Reef

  1. coral reef 1250 miles (2012 kilometers) long in the Coral Sea off the northeast coast of Queensland, Australia Most of the Great Barrier Reef is designated a marine park.

Learn More about great barrier reef

Seen and Heard

What made you want to look up Great Barrier Reef? Please tell us where you read or heard it (including the quote, if possible).


a rounded knoll or a ridge of ice

Get Word of the Day daily email!