Cam*pa"gna (c&adot;m*pä"ny&adot;), n. [It. See Campaigg.] An open level tract of country; especially "Campagna di Roma." The extensive undulating plain which surrounds Rome.

&fist; Its length is commonly stated to be about ninety miles, and its breadth from twenty-seven to forty miles. The ground is almost entirely volcanic, and vapors which arise from the district produce malaria.