gerrymander

1.〈美〉(为本党利益)不公正地改划(州,县等的选区);任意改划(一地区的选区)以谋取利益

2.不公正地划分选区

1.不公正地划分的选区

1.to manipulate an electoral area, usually by altering its boundaries, in order to gain an unfair political advantage in an election

1.an electoral area manipulated in such a way as to give one political party an unfair advantage in an election

2.an unfair manipulation of an electoral area for political advantage