Definition of gerrymander:
"the superintendent helped gerrymander the school district lines in order to keep the children of the wealthy gated community in the better school all the way across town."
(n) :
the act of
gerrymandering; a voting district skewed by gerrymandering
"by this iniquitous practice, which is known as the gerrymander, the party in a minority in each State is allowed to get only about one-half or one-quarter of its proper share of representation."