noun (n)

• an area composed of subdivided lots(noun.location)

  source: wordnet30
• the act of subdividing; division of something previously divided(noun.act)

  source: wordnet30
• a division of some larger or more complex organization(noun.group)

  Synonym:
  arm, branch
  

  source: wordnet30
• a self-contained part of a larger composition (written or musical)(noun.communication)

  Synonym:
  section
  

  source: wordnet30
• a section of a section; a part of a part; i.e., a part of something already divided(noun.artifact)

  Synonym:
  subsection
  

  source: wordnet30
• The act of subdividing, or separating a part into smaller parts.(noun)

  source: webster1913