All 4 Uses

segregation
in
The Souls of Black Folk
(Auto-generated)

In the most cultured sections and cities of the South the Negroes are a segregated servile caste, with restricted rights and privileges.†
Chpt 2 *
Even in the country something of this segregation is manifest in the smaller areas, and of course in the larger phenomena of the Black Belt.†
Chpt 9
All this segregation by color is largely independent of that natural clustering by social grades common to all communities.†
Chpt 9
The criminal and the sensualist leave the church for the gambling-hell and the brothel, and fill the slums of Chicago and Baltimore; the better classes segregate themselves from the group-life of both white and black, and form an aristocracy, cultured but pessimistic, whose bitter criticism stings while it points out no way of escape.†
Chpt 10

Definitions:

(1) (segregation)
the act of keeping people or things separate -- especially people due to discrimination based on race, gender, ethnicity, or religion
(2) (meaning too rare to warrant focus)