gerrymander

noun | \ ˈjer-ē-ˌman-dər also and originally ˈger-ē- \ | ger·ry·man·der
  1. : the act or method of gerrymandering

  1. : a district or pattern of districts varying greatly in size or population as a result of gerrymandering

gerrymander

transitive verb
  1. : to divide (a territorial unit) into election districts to give one political party an electoral majority in a large number of districts while concentrating the voting strength of the opposition in as few districts as possible

  1. : to divide (an area) into political units to give special advantages to one group gerrymander a school district