ghetto
n 1: formerly the restricted quarter of many European cities in
which Jews were required to live; "the Warsaw ghetto"
2: any segregated mode of living or working that results from
bias or stereotyping; "the relative security of the gay
ghetto"; "no escape from the ghetto of the typing pool"
3: a poor densely populated city district occupied by a
minority ethnic group linked together by economic hardship
and social restrictions
[also: ghettoes (pl)]