1. 贫民区；（相同种族、宗教或国籍的人的）聚居区
A ghetto is a part of a city in which many poor people or many people of a particular race, religion, or nationality live separately from everyone else.

1. a poor densely populated city district occupied by a minority ethnic group linked together by economic hardship and social restrictions

2. formerly the restricted quarter of many European cities in which Jews were required to live

e.g. the Warsaw ghetto

3. any segregated mode of living or working that results from bias or stereotyping

e.g. the relative security of the gay ghetto
no escape from the ghetto of the typing pool