Drawing of electoral district lines in a way that gives advantage to a particular political party.
The practice is named after Massachusetts Gov. Federalist Party in just a few districts, thereby giving disproportionate representation to the Democratic-Republican Party. Some of Gerry's new districts were necessarily odd-shaped; one district's outline, seen to resemble a salamander, gave rise to the scornful term gerrymander . The practice has persisted, and redistricting battles in state legislatures have often had to be decided by the courts. In some countries, independent commissions have been appointed to draw district boundaries. In the late 20th and early 21st centuries so-called "racial gerrymandering," which aimed to ensure minority representation in some districts, was a controversial issue in the U.S.