subdivision

Noun

• a section of a section; a part of a part; i.e., a part of something already divided

• a self-contained part of a larger composition (written or musical)
  • he always turns first to the business section
    
  • the history of this work is discussed in the next section
    

• a division of some larger or more complex organization
  • a branch of Congress
    
  • botany is a branch of biology
    
  • the Germanic branch of Indo-European languages
    

• the act of subdividing; division of something previously divided

• an area composed of subdivided lots

Related words

• Synonyms: 
  subsection , section , branch , arm