›[C or U]one of the parts into which something is divided, or the act of creating these: He has been responsible for the subdivision of work.The index shows the subdivisions of the prospectus.
›[C]USPROPERTY, GOVERNMENTa group of houses built together in a planned way, often by the government in order to provide houses for people to rent or buy at a low cost: Residents are uniting against a developer's plan to build a subdivision in the heart of their town.