Pronunciation: (sär-din'ē-u, -din'yu),[key] —n. 1. a large island in the Mediterranean, W of Italy: with small nearby islands it comprises a department of Italy. 1,571,499; 9301 sq. mi. (24,090 sq. km).
2. a former kingdom 1720–1860, including this island and Savoy, Piedmont, and Genoa (after 1815) in NW Italy: ruled by the House of Savoy. Cap.: Turin. Italian, Sar•de•gnaPronunciation: (sär-de'nyä).[key]