campaign

campaign is defined in Webster's Unabridged Dictionary (1913) with 4 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.(Mil.) A connected series of military operations forming a distinct stage in a war; the time during which an army keeps the field. Wilhelm.
  2. 2.Political operations preceding an election; a canvass. [Cant, U. S.]
  3. 3.(Metal.) The period during which a blast furnace is continuously in operation.
  4. 4.To serve in a campaign.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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