Coral Sea

UK: /ˌkɒrəlˈsiː/

WordReference Random House Unabridged Dictionary of American English © 2025

Cor′al Sea′, 

1. Place Names, Government a part of the S Pacific, bounded by NE Australia, New Guinea, the Solomon Islands, and the New Hebrides: U.S. naval victory over the Japanese, May 1942.

Collins Concise English Dictionary © HarperCollins Publishers::

Coral Sea noun

1. the SW arm of the Pacific, between Australia, New Guinea, and Vanuatu