Subdivision (noun)

1. A part of a larger area that has been divided into smaller parts.
2. A district or area that is divided into smaller parts for administrative or residential purposes.
3. A unit of an organization or society that is subordinate to a higher level organization or society.

Origin:

From the late middle english word "subdivisioun" from the latin "subdivisio" meaning "a division into parts".

Examples:

1. The new housing development is a subdivision of the land that was once a large farm.
2. The city is divided into several subdivisions, each with its own mayor and council.
3. The company has several subdivisions that specialize in different products.
4. The biology department is a subdivision of the science faculty.
5. The local government is divided into several subdivisions for administrative purposes.