Cam*pa"gna (c&adot;m*pń"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.
||Cam`pa`gnol" (?), n. [F. , fr. campagne field.] (Zo÷l.) A mouse (Arvicala agrestis), called also meadow mouse, which often does great damage in fields and gardens, by feeding on roots and seeds.
Cam*paign" (?), n. [F. campagne, It. campagna, fr. L. Campania the level country about Naples, fr. campus field. See Camp, and cf. Champaign, Champagne.] 1. An open field; a large, open plain without considerable hills. SeeChampaign. Grath.
2. (Mil.) A connected series of military operations forming a distinct stage in a war; the time during which an army keeps the field. Wilhelm.