Save Type Political Subdivision & Island Usage Filipino, Cebuano, Surigaonon, Waray, Tagalog, English Pronounced Pron. dee-NA-gat(Tagalog) [key·IPA] Meaning & History From Cebuano dinagat meaning "of the sea", ultimately from dagat meaning "sea". This is the name of an island in the Philippines, as well as a province (called Dinagat Islands).