"Sulu Sea." YourDictionary, n.d. Web. 18 October 2018. <http://www.yourdictionary.com/sulu-sea>.
Sulu Sea. (n.d.). Retrieved October 18th, 2018, from http://www.yourdictionary.com/sulu-sea
An arm of the western Pacific Ocean between the Philippines and Borneo. The Sulu Archipelago, a chain of small islands belonging to the Philippines, separates the Sulu Sea from the Celebes Sea southwest of Mindanao.