noun.
In United States politics, an arbitrary arrangement of the political divisions of a State, in disregard of the natural or proper boundaries as indicated by geography or position, made so as to give one party an unfair advantage in elections.
To district, as a State, by the unfair arrangement called a gerrymander; arrange arbitrarily and unfairly, as the boundaries of political divisions, for the sake of partisan advantage in elections.
To shift and manipulate, as facts, so as to force an agreement with a preconceived notion.