campaign
A series of operations undertaken to achieve a set goal.
(sports) A player or team's efforts during a sporting season.
(roleplaying games) A series of play sessions using the same player characters, forming a continuous narrative.
The period during which a blast furnace is continuously in operation.
(obsolete) An open field; a large, open plain without considerable hills; a champaign.
(obsolete) An excursion into the countryside.
To take part in a campaign.
Consistently ride in races for a racing season.