a section of a city, esp. a thickly populated slum area, inhabited predominantly by members of an ethnic or other minority group, often as a result of social or economic restrictions, pressures, or hardships.
(formerly, in most European countries) a section of a city in which all Jews were required to live.
a section predominantly inhabited by Jews.
any mode of living, working, etc., that results from stereotyping or biased treatment: job ghettos for women; ghettos for the elderly.