Campaign
From BiblePortal Wikipedia
Campaign [1]
(1): (n.) Political operations preceding an election; a canvass.
(2): (n.) An open field; a large, open plain without considerable hills. SeeChampaign.
(3): (v. i.) To serve in a campaign.
(4): (n.) The period during which a blast furnace is continuously in operation.
(5): (n.) A connected series of military operations forming a distinct stage in a war; the time during which an army keeps the field.