1) Sea in Oceania 
The Bismarck Sea lies in the southwestern Pacific Ocean to the north of the island of Papua New Guinea and to the south of the Bismarck Archipelago and Admiralty Islands. Like the Bismarck archipelago, it is named in honour of the German chancellor Otto von Bismarck. The Bismarck archipelago extends round to the east and north of the sea, enclosin...
section of the southwestern Pacific Ocean, bounded to the southwest by the northeast coast of New Guinea and to the northwest through to the ...
The USS Bismarck Sea was an American Casablanca Class light fleet aircraft carrier of 6730 tons displacement launched around 1944 and sunk during the Second World War. The USS Bismarck Sea had a top speed of 18 knots and carried a complement of 800 and about 30 aircraft. She was armed with one 5 inch gun and twenty-four 20 mm anti-aircraft guns.
[n] - an arm of the South Pacific southwest of the Bismarck Archipelago 2. [n] - World War II naval battle
battle of the Bismarck Sea noun a naval battle in World War II; Allied land-based bombers destroyed a Japanese convoy in the Bismarck Sea in March 1943