n. & v.
--n.
1. an organized course of action for a particular purpose, esp. to arouse public interest (e.g. before a political election).
2 a a series of military operations in a definite area or to achieve a particular objective. b military service in the field (on campaign).
--v.intr. conduct or take part in a campaign.
Derivatives:
campaigner n.
Etymology: F campagne open country f. It. campagna f. LL campania