- Coral Sea - an arm of the South Pacific northeast of Australia
--1 is a kind of sea
--1 is a part of Pacific, Pacific Ocean- Coral Sea, battle of the Coral Sea - a Japanese defeat in World War II (May 1942); the first naval battle fought entirely by planes based on aircraft carriers
--2 is a kind of naval battle
--2 is a part of World War II, World War 2, Second World War - Coral Sea, battle of the Coral Sea - a Japanese defeat in World War II (May 1942); the first naval battle fought entirely by planes based on aircraft carriers