Definify.com
Webster 1913 Edition
Campaign
Cam-paign′
,Noun.
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.
5.
(Metal.)
The period during which a blast furnace is continuously in operation.
Cam-paign′
,Verb.
I.
To serve in a campaign.