1. subdivision

an area composed of subdivided lots

2. subdivision

the act of subdividing; division of something previously divided

3. arm, branch, subdivision

a division of some larger or more complex organization

Example Sentences:
'a branch of Congress'
'botany is a branch of biology'
'the Germanic branch of Indo-European languages'

• arm
• branch

4. section, subdivision

a self-contained part of a larger composition (written or musical)

Example Sentences:
'he always turns first to the business section'
'the history of this work is discussed in the next section'

• section

5. subdivision, subsection

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

• subsection