|Origin:||campagne, from Italian campagna 'level country, campaign', from Late Latin campania 'level country', from Latin campus ( CAMP1); because soldiers went out into the country for military exercises|
cam‧paign1 S3 W1 [countable]
a series of actions intended to achieve a particular result relating to politics or business, or a social improvement:
Florida was a key state in his campaign for re-election.
an anti-bullying campaign
an advertising campaign
a campaign for equal rights
Jones ran a good campaign.
He raised nearly $30 million in campaign funds.
launch/mount a campaign (=plan, organize, and begin a campaign)
Police have launched a campaign to crack down on drug dealers.
a series of battles, attacks etc intended to achieve a particular result in a war