great barrier reef

English Thesaurus

1. the largest coral reef in the world; in the Coral Sea off the northeastern coast of Australia (noun.object)

instance hypernym	:	coral reef,
definition	:	a reef consisting of coral consolidated into limestone (noun.object)

part meronym	:	australia, commonwealth of australia,
definition	:	a nation occupying the whole of the Australian continent; Aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony (noun.location)

part meronym	:	australia,
definition	:	the smallest continent; between the South Pacific and the Indian Ocean (noun.object)