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. campaigner n.
[ F campagne open country f. It. campagna f. LL campania ]