An arm of the southwest Pacific Ocean bounded by northeast Australia, Papua New Guinea, the Solomon Islands, and Vanuatu. It was the scene of a U.S. World War II naval victory in May 1942. Part of the South Pacific Ocean. It is located between Queensland, Australia, on the west and Vanuatu and New Caledonia on the east, and bordered on the north by Papua New Guinea and the Solomon Islands. Occupying an area of 1,849,800 sq mi (4,791,000 sq km), it merges with the Tasman Sea and Solomon Sea and is connected to the Arafura Sea via the Torres Strait. It was named for its many coral formations, including the Great Barrier Reef. During World War II it was the scene of a strategic U.S. naval and air victory over the Japanese (1942)
{i} area of the Pacific Ocean between Australia New Guinea and the Solomon Islands; scene of the Battle of the Coral Sea, WW II battle in 1942 fought between the USA and Japan in the skies over the Pacific Ocean (resulted in American victory)
a Japanese defeat in World War II (May 1942); the first naval battle fought entirely by planes based on aircraft carriers an arm of the South Pacific northeast of Australia