Campaign

(kam-pān'), n. [O. Fr. campagne, champagne, campagne, N. Fr. campagne, It. campagna, Sp. campaña, from Lat. Campania, a name given by the Romans to the country about Naples, from its being plane and level (campestris).]

1. An open field; a large, open plain; an extensive tract of ground without considerable hills. See CHAMPAIGN. Garth.
2. (Mil.) The time that an army keeps the field, either in action, marches, or in camp. “Many sharp campaigns.” Macaulay.