segregate

Short definition from Wiktionary

Adjective

1. 1
   Separate; select.
2. 2
   Separated from others of the same kind.
3. 3
   Separate from a mass and collected together along lines of fraction.

Verb

1. 1
   To separate.
2. 2
   In particular, to separate and organize by characteristics.
3. 3
   To separate (races, sexes, or other groups, especially black and white people), especially by social policies that directly or indirectly keep them apart.

Noun

1. 1
   An entity that is separated in some way from a reference group or entity.