noun sardegna a large island in the Mediterranean, W of Italy: with small nearby islands it comprises a department of Italy. 9301 sq. mi. (24,090 sq. km). 1
noun sardegna a former kingdom 1720–1860, including this island and Savoy, Piedmont, and Genoa (after 1815) in NW Italy: ruled by the House of Savoy. Capital: Turin. 1
