n. [ F. campagne, It. campagna, fr. L. Campania the level country about Naples, fr. campus field. See Camp, and cf. Champaign, Champagne. ] 1. An open field; a large, open plain without considerable hills. SeeChampaign. Grath. [ 1913 Webster ]

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. [ 1913 Webster ]

3. Political operations preceding an election, by candidates, their assistants, and supporters, for the purpose of convincing voters to vote for the candidate. It usually consists of one or more methods of contacting voters including advertising, distribution or mailing of printed leaflets or letters; speeches, interviews with news media, and door-to-door visits with potential voters. [ 1913 Webster +PJC ]

4. Hence: Any coordinated effort to contact potential supporters or customers and solicit their support or patronage; as, an advertising campaign. [ PJC ]

5. (Metal.) The period during which a blast furnace is continuously in operation. [ 1913 Webster ]

v. i. To serve in a campaign. [ 1913 Webster ]

n. 1. One who has served in an army in several campaigns; an old soldier; a veteran. [ 1913 Webster ]

2. one who is campaigning, especially a politician running for elective office, or one of his/her supporters. [ PJC ]

n. The campaign of a candidate to be elected.
Syn. -- candidacy, candidature, electioneering, political campaign. [ WordNet 1.5 ]