Campaign :: Campaign (n.) An open field; a large, open plain without considerable hills. SeeChampaign..
Campaign :: Campaign (n.) A connected series of military operations forming a distinct stage in a war; the time during which an army keeps the field.
Campaign :: Campaign (n.) Political operations preceding an election; a canvass.
Campaign :: Campaign (n.) The period during which a blast furnace is continuously in operation.
Campaigner :: Campaigner (n.) One who has served in an army in several campaigns; an old soldier; a veteran.