From King Dictionary of Contemporary English
Related topics: Politics
gerrymanderingger‧ry‧man‧der‧ing /ˈdʒerimændərɪŋ/ noun [uncountable] PPwhen politicians change the size and borders of an area before an election, so that one person, group, or party has an unfair advantagegerrymander verb [intransitive, transitive]
Origin gerrymandering (1800-1900) Elbridge Gerry (1744-1818), US politician + salamander; because a voting area he made to help his own party win an election was said to be shaped like a salamander